Materiały źródłowe

• #1 Thunderclap headaches | Altru Health System

  https://www.altru.org/health-library/conditions/thunderclap-headaches

  Thunderclap headaches are uncommon, but they can warn of potentially life-threatening conditions usually having to do with bleeding in and around the brain. […] There’s no obvious cause for some thunderclap headaches. In other cases, a variety of potentially life-threatening conditions might be responsible, including: […] Bleeding between the brain and membranes covering the brain (subarachnoid hemorrhage) […] A rupture of a blood vessel in the brain […] A tear in the lining of an artery that supplies blood to the brain […] Leaking of cerebrospinal fluid usually due to a tear of the covering around a nerve root in the spine […] Death of tissue or bleeding in the pituitary gland […] A blood clot in the brain […] Severe elevation in blood pressure (hypertensive crisis) […] Infection such as meningitis or encephalitis […] Ischemic stroke.

• #2 Overview of thunderclap headache – UpToDate

  https://www.uptodate.com/contents/overview-of-thunderclap-headache

  Thunderclap headache (TCH) refers to a severe headache of sudden onset. Its explosive and unexpected nature is likened to a „clap of thunder.” Multiple etiologies may cause TCH (table 1). […] A TCH is a very severe headache of abrupt onset that reaches its maximum intensity within one minute or less of onset. The key feature that differentiates TCH from other headaches is the rapidity with which it develops; extreme severity alone is insufficient. […] Given the serious and potentially life-threatening nature of underlying intracranial etiologies, TCH is a medical emergency requiring immediate evaluation.

• #3 A systematic review of causes of sudden and severe headache (Thunderclap Headache): should lists be evidence based?

  https://pmc.ncbi.nlm.nih.gov/articles/PMC4231167/

  There are many potential causes of sudden and severe headache (thunderclap headache), the most important of which is aneurysmal subarachnoid haemorrhage. […] A total of 119 causes were identified, of which 46 (38%) were not mentioned in published academic review articles. […] There are over 100 different published causes of sudden and severe headache, other than aneurysmal subarachnoid haemorrhage. […] The most common cause not mentioned in academic reviews was pneumocephalus. […] We identified 46 distinct clinical syndromes associated with Sudden and Severe Headache that were unique to our systematically reviewed literature, and there were 4 diagnoses mentioned in the academic review articles as causes of Thunderclap Headache, but we did not find any citation in our own search strategy.

• #4 Thunderclap Headaches | American Migraine Foundation

  https://americanmigrainefoundation.org/resource-library/thunderclap-headaches/

  Thunderclap headaches come on quickly without warning and are extremely painful—and they can be a sign of something serious. Learn how to spot a thunderclap headache and what to do if you experience one. […] A thunderclap headache feels like a sudden, severe headache that comes on within less than a minute. This extremely abrupt onset and head pain unlike any you’ve experienced before can be a terrifying experience, and most often requires urgent medical attention. Although many times no cause is found, the first occurrence of a thunderclap headache can be a sign of something very serious. […] Thunderclap headaches can be divided broadly into two groups: Those caused by vascular or blood vessel problems, injury, or uncommon structural problems in the brain; Those that have no clear cause and, following medical evaluation, are felt to be benign (not dangerous).

• #5 Thunderclap Headaches | American Migraine Foundation

  https://americanmigrainefoundation.org/live-copy/resource-library/thunderclap-headaches/

  Thunderclap headaches come on quickly without warning and are extremely painful—and they can be a sign of something serious. Learn how to spot a thunderclap headache and what to do if you experience one. […] A thunderclap headache feels like a sudden, severe headache that comes on within less than a minute. This extremely abrupt onset and head pain unlike any you’ve experienced before can be a terrifying experience, and most often requires urgent medical attention. Although many times no cause is found, the first occurrence of a thunderclap headache can be a sign of something very serious. […] Thunderclap headaches can be divided broadly into two groups: Those caused by vascular or blood vessel problems, injury, or uncommon structural problems in the brain; Those that have no clear cause and, following medical evaluation, are felt to be benign (not dangerous).

• #6 Thunderclap Headache: Symptoms, Causes, and Treatment

  https://www.verywellhealth.com/thunderclap-headache-7101082

  A thunderclap headache strikes suddenly, causing severe, explosive head pain that rapidly peaks in intensity within one minute and lasts at least five minutes. […] Thunderclap headache is classified as either a primary or secondary headache. […] Primary thunderclap headaches do not have an underlying medical cause and are believed to be benign (harmless) and not dangerous. […] An underlying health factor within the brain causes secondary thunderclap headaches, such as a blood vessel problem, an unusual structural abnormality, trauma, or an infection. […] The most common secondary cause of a thunderclap headache is subarachnoid hemorrhage. Subarachnoid hemorrhage is a dangerous, potentially life-threatening brain bleed in which blood pools in the space between the brain and the tissue layer covering it.

• #7 Thunderclap headache – Wikipedia

  https://en.wikipedia.org/wiki/Thunderclap_headache

  A thunderclap headache is a headache that is severe and has a sudden onset. It is defined as a severe headache that takes seconds to minutes to reach maximum intensity. Although approximately 75% are attributed to „primary” headaches, the remainder are secondary to other causes, which can include some extremely dangerous acute conditions, as well as infections and other conditions. Usually, further investigations are performed to identify the underlying cause. […] Approximately 75% are attributed to „primary” headaches: headache disorder, non-specific headache, idiopathic thunderclap headache or uncertain headache disorder. The remainder are secondary to a number of conditions, including: Subarachnoid hemorrhage (10-25% of all cases of thunderclap headache), cerebral venous sinus thrombosis, cervical artery dissection, hypertensive emergency (severely raised blood pressure), spontaneous intracranial hypotension (unexplained low cerebrospinal fluid pressure), stroke (headache occurs in about 25% of strokes but usually not thunderclap character), retroclival hematoma (hematoma behind the clivus in the skull, usually due to physical trauma but sometimes spontaneous), pituitary apoplexy (infarction or hemorrhage of the pituitary gland), colloid cyst of the third ventricle, meningitis, sinusitis, reversible cerebral vasoconstriction syndrome (previously Call-Fleming syndrome, several subtypes), primary cough headache, primary exertional headache, and primary sexual headache. […] The most important of the secondary causes are subarachnoid hemorrhage, cerebral venous sinus thrombosis, and dissection of an artery in the neck.

• #8 Thunderclap Headache – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK560629/

  Patients presenting with a thunderclap headache (TCH) may describe their pain as the worst headache ever or worst headache of my life. […] TCH is often associated with a potentially fatal etiology, such as subarachnoid hemorrhage (SAH), and is considered a medical emergency, requiring a rapid, focused evaluation. […] According to the ICHD-3, Evidence that thunderclap headache exists as a primary disorder is poor: the search for an underlying cause should be both expedited and exhaustive. […] In a systematic review of causes of a sudden and severe headache (thunderclap headache), the authors, Devenney, Neale, and Forbes, conclude, There are over 100 different published causes of sudden and severe headache, other than aneurysmal subarachnoid hemorrhage. […] The 2 most common causes of secondary TCH are subarachnoid hemorrhage and reversible cerebral vasoconstriction syndrome (RCVS).

• #9 4.4 Primary thunderclap headache – ICHD-3

  https://ichd-3.org/other-primary-headache-disorders/4-4-primary-thunderclap-headache/

  High-intensity headache of abrupt onset, mimicking that of ruptured cerebral aneurysm, in the absence of any intracranial pathology. […] Thunderclap headache is frequently associated with serious vascular intracranial vascular disorders, particularly subarachnoid haemorrhage: it is mandatory to exclude this and a range of other such conditions including intracerebral haemorrhage, cerebral venous thrombosis, unruptured vascular malformation (mostly aneurysm), arterial dissection (intra- and extracranial), reversible cerebral vasoconstriction syndrome (RCVS) and pituitary apoplexy. Other organic causes of thunderclap headache are meningitis, colloid cyst of the third ventricle, spontaneous intracranial hypotension and acute sinusitis (particularly with barotrauma). […] Evidence that thunderclap headache exists as a primary disorder is poor: the search for an underlying cause should be both expedited and exhaustive.

• #10 Thunderclap Headache – Pearls and Pitfalls – emDocs

  https://www.emdocs.net/thunderclap-headache-pearls-pitfalls/

  A thunderclap headache (TCH) has been defined as a “headache that reaches 7 (out of 10) or more in intensity within less than one minute.” TCH is often unexpected and not preceded by any warning signs or symptoms. […] The classic teaching in medical school is that a “thunderclap” headache is pathognomonic for subarachnoid hemorrhage (SAH) from a ruptured intracranial aneurysm. However, only 11-25% of TCHs are due to SAH. […] Most cases of SAH occur from a ruptured cerebral aneurysm (about 85% of cases), which occur most commonly at branch points in the Circle of Willis. […] A headache will be the primary symptom of SAH in 70% of patients, of which 50% will present with a TCH. […] A headache occurs in 75-95% of patients with cerebral venous thrombosis (CVT). While the onset of headache in CVT is usually gradual, about 2-13% of patients experience a TCH as the primary symptom.

• #11 Thunderclap Headache: What It Is, Causes & Symptoms

  https://my.clevelandclinic.org/health/symptoms/17876-thunderclap-headaches

  A thunderclap headache is a rare type of headache thats extremely painful and comes on suddenly. It can be a sign of blood vessel issues or bleeding in your brain. Because of this, a thunderclap headache requires immediate medical attention. […] Thunderclap headaches strike without any warning. Sometimes theres no underlying medical cause to them, but other times theyre a sign of very serious underlying conditions that involve bleeding in and around your brain. […] In a secondary thunderclap headache, a health condition, such as blood vessel issues in your brain (for example, a brain aneurysm), causes it along with other symptoms. A secondary thunderclap headache is a sign of a potentially life-threatening condition. […] Causes of secondary thunderclap headaches include: Subarachnoid hemorrhage (bleeding in the space that surrounds your brain). This is the most common cause.

• #12

  https://www.mountelizabeth.com.sg/conditions-diseases/thunderclap-headache

  A thunderclap headache is a severe, sudden headache that reaches its peak intensity within seconds to a minute. […] Thunderclap headaches often indicate a serious underlying condition, such as bleeding in the brain or other neurological emergencies and should always be treated as a medical emergency. […] Thunderclap headaches are caused by various serious and potentially life-threatening conditions, including: […] Subarachnoid haemorrhage, which refers to bleeding in the space between the brain and the surrounding membrane. This is a medical emergency requiring immediate attention. […] Aneurysm rupture, which refers to weak bulges in blood vessels rupturing. […] Reversible cerebral vasoconstriction syndrome (RCVS), which refers to temporary narrowing of blood vessels in the brain.

• #13 Thunderclap headache • LITFL • Neurology library

  https://litfl.com/thunderclap-headache/

  Similar to primary thunderclap headaches, secondary thunderclap headaches are defined as sudden onset headaches that achieve maximal intensity within one minute. […] Serious causes of secondary thunderclap headaches include subarachnoid haemorrhage (SAH), cervical artery dissection, stroke, and a hypertensive crisis. […] The thunderclap headache syndrome can also be a primary headache type. The primary headache is indistinguishable clinically from thunderclap headache secondary to a subarachnoid haemorrhage. […] Note: SAH is the most common secondary cause of thunderclap headache and should be the focus of evaluation when thunderclap headache occurs. […] The most common cause of subarachnoid hemorrhage is rupture of a berry aneurysm producing a severe headache which can be associated with loss of consciousness.

• #14 Thunderclap Headaches: Definition, Symptoms, Treatments

  https://resources.healthgrades.com/right-care/migraine-and-headache/thunderclap-headaches

  Thunderclap headaches (TCH) are sudden, severe headaches. Pain can peak within 30 seconds to 1 minute after the headache begins. Thunderclap headaches can be either primary or secondary. However, the majority of thunderclap headaches are secondary to another health condition. A primary thunderclap headache occurs when there is no identifiable underlying cause. […] A secondary TCH typically results from an intracranial vascular disorder. In rare cases, a primary TCH can occur when there is no underlying condition for the headache. […] The most common cause of a secondary TCH is a subarachnoid hemorrhage. A subarachnoid hemorrhage is life threatening bleeding around the brain, typically occurring due to a burst blood vessel. […] Other possible causes of a secondary TCH include reversible cerebral vasoconstriction syndrome, which is the second most common cause, central nervous system infections, such as meningitis, sinusitis, and viral infection, ischemic stroke, vasculitis, hypertensive crisis, spontaneous intracranial hypotension, tumors that secrete catecholamine, pregnancy, excessive consumption of alcohol or smoking cannabis, which can cause blood vessels to constrict. […] Certain drugs may also increase your risk of a TCH. These include lysergic acid diethylamide, selective serotonin reuptake inhibitors (SSRIs), ergot derivatives, triptans. Sympathomimetic drugs, such as cocaine, amphetamine, and nicotine patches, may also cause TCH.

• #15 Thunderclap Headache: Symptoms, Causes, and Treatment

  https://www.verywellhealth.com/thunderclap-headache-7101082

  Another common cause of a thunderclap headache is reversible cerebral vasoconstriction syndrome (RCVS). […] Less common but still serious causes of a thunderclap headache include: a hemorrhagic stroke, an ischemic stroke, cervical artery dissection, cerebral venous sinus thrombosis, spontaneous intracranial hypotension, and meningitis. […] Uncommon or rare secondary causes of a thunderclap headache include: acute sinusitis, a colloid cyst of the third ventricle, pituitary apoplexy, and a brain tumor. […] Most thunderclap headaches are secondary headaches with an attributable cause, like bleeding or a blood vessel problem within the brain.

• #16 Thunderclap Headaches: Causes, Symptoms, and Treatments

  https://www.denveruppercervical.com/thunderclap-headache

  Thunderclap headaches are sudden onset severe headache pain which may happen for no apparent reason. Their name comes from the way this headache begins unexpectedly, intense, and strong, like a clap of thunder. […] A common trigger of thunderclap headaches is a stroke or aneurysm, so it is imperative to see your doctor right away if you experience a thunderclap headache. […] Often, what causes this kind of sudden headache is unknown. However, two likely causes are blood vessel tears or issues with the brain, which is why its wise to seek medical help right away. […] Primary thunderclap headache is when TCH occurs as its own type of headache, not a symptom of another condition. Secondary TCH is when a thunderclap headache is a result or symptom of another condition, such as a stroke. […] Many experts consider SAH and the more recently-discovered RCVS to be the two most common causes of TCH.

• #17 Thunderclap Headaches | American Migraine Foundation

  https://americanmigrainefoundation.org/resource-library/thunderclap-headaches/

  Depending on the age of the individual, a severe headache can occur hours to days after a mild-to-moderate head injury. […] In this often difficult-to-diagnose disorder, there is a temporary narrowing or spasming of a blood vessel surrounding the brain. […] Vasculitis, or blood vessel inflammation, comes from an autoimmune attack—that is, the body attacking its own blood vessels. […] In pregnancy, sudden new headaches may signal a number of different disorders, particularly late in pregnancy. […] Sudden, extreme head pain—even without other symptoms—can serve as a warning of a larger bleed or stroke to come. […] If doctors find no specific cause after a medical examination, they may then start treatment for what is called primary thunderclap headache, which is considered benign. […] If these headaches occur predictably at certain times, such as with sexual activity, then treating them with medication such as a non-steroidal anti-inflammatory (NSAID)—in particular, indomethacin—may be all that is needed. […] It is difficult to know whether or not a sudden, severe headache is a sign of a dangerous underlying condition. For this reason, all first-time thunderclap headaches should be dealt with by seeking immediate medical evaluation to look for signs of more serious problems.

• #18 Thunderclap Headaches | American Migraine Foundation

  https://americanmigrainefoundation.org/live-copy/resource-library/thunderclap-headaches/

  In this often difficult-to-diagnose disorder, there is a temporary narrowing or spasming of a blood vessel surrounding the brain. […] Vasculitis, or blood vessel inflammation, comes from an autoimmune attack—that is, the body attacking its own blood vessels. […] In pregnancy, sudden new headaches may signal a number of different disorders, particularly late in pregnancy. […] Sudden, extreme head pain—even without other symptoms—can serve as a warning of a larger bleed or stroke to come. […] If doctors find no specific cause after a medical examination, they may then start treatment for what is called primary thunderclap headache, which is considered benign. […] It is difficult to know whether or not a sudden, severe headache is a sign of a dangerous underlying condition. For this reason, all first-time thunderclap headaches should be dealt with by seeking immediate medical evaluation to look for signs of more serious problems.

• #18 Thunderclap Headaches | American Migraine Foundation

  https://americanmigrainefoundation.org/live-copy/resource-library/thunderclap-headaches/

  There is a broad range of possible injuries and underlying conditions that can result in thunderclap headaches, and the consequences can be severe. […] A decrease in blood flow to the brain can cause a severe headache, and is often accompanied by weakness, numbness, or changes in vision or sensation. […] Dissection (a tear in the wall of a blood vessel) and aneurysm (a weakening in the wall of a blood vessel) can both cause sudden, painful headaches. […] The rupture of a blood vessel in the brain can result in a hemorrhagic stroke. […] A sudden blood vessel blockage caused by a blood clot or thrombosis, or from a cholesterol build-up, can result in a different kind of stroke. […] Depending on the age of the individual, a severe headache can occur hours to days after a mild-to-moderate head injury.

• #19 Thunderclap headache: The “worst headache of my life” – Harvard Health

  https://www.health.harvard.edu/blog/thunderclap-headache-the-worst-headache-of-my-life-2019062516939

  If no obvious cause is found, TCH is considered primary, or idiopathic. Primary TCH typically affects young adults. It is commonly associated with physical triggers such as cough, exercise, and sexual activity. […] Rarely, people can develop multiple, recurrent TCHs within a span of a few days. In such cases, imaging invariably shows alternating areas of narrowing and dilation (the appearance is described as a sausage on a string) of multiple brain arteries. This condition is called reversible cerebral vasoconstriction syndrome, or RCVS. […] Approximately 30% to 50% of patients with RCVS go on to develop brain hemorrhage, strokes, and brain swelling. […] There is no known preventive medication for primary TCH or RCVS. […] Certain medications should not be used to treat TCH. These include glucocorticoids, triptans, and other anti-migraine medications, which induce narrowing of brain arteries and can worsen the situation. […] Primary TCH can recur intermittently for several years. Recurrence of an episode of RCVS is extremely rare.

• #20 RCVS (Reversible Cerebral Vasoconstriction Syndrome)

  https://my.clevelandclinic.org/health/diseases/16158-reversible-cerebral-vasoconstriction-syndrome

  Reversible cerebral vasoconstriction syndrome (RCVS) is a condition that happens when blood vessels suddenly spasm and constrict (tighten or narrow) in your brain. Sudden and extremely painful thunderclap headaches are a telltale sign of RCVS. […] Thunderclap headaches are a medical emergency. Theyre the main symptom of bleeding in and around your brain. […] What causes RCVS? Your blood vessels have a lining of smooth muscle inside them. Thats how they narrow and widen to limit and increase blood flow. But that muscle layer can also spasm and tighten in a way that disrupts blood flow. […] Vasospasm can happen because of, or in connection to, many factors and causes. These can either be direct causes or risk factors that increase your chances of developing RCVS. Common examples include: Pregnancy and pregnancy-related conditions.

• #21 RCVS (Reversible Cerebral Vasoconstriction Syndrome)

  https://my.clevelandclinic.org/health/diseases/16158-reversible-cerebral-vasoconstriction-syndrome

  Pregnancy is the most common factor that causes or contributes to RCVS. More than half of all RCVS cases happen after childbirth (postpartum), especially within the first six weeks. […] Drugs that affect your circulatory system can cause or contribute to RCVS. […] Conditions that affect either your brain or the flow of blood inside it can cause, or contribute to, RCVS. […] People with migraines have a higher chance of developing RCVS than those without. […] RCVS can also cause symptoms similar to those that happen with a migraine or stroke. […] If you have RCVS, the most likely first symptom will be a thunderclap headache, which is sudden and severe. […] Most (80% to 85%) of people have a full recovery with no lasting symptoms. About 10% of people will have lasting minor issues (subtle difficulties with certain abilities). […] Unfortunately, RCVS can have severe complications. These are uncommon, but they include life-threatening complications like stroke.

• #22

  https://www.mountelizabeth.com.sg/conditions-diseases/thunderclap-headache

  Cerebral venous sinus thrombosis, which refers to a blood clot in the brain’s venous sinuses. […] Cervical artery dissection, which refers to a tear or dissection of one of the arteries supplying blood to the brain. […] Pituitary apoplexy, which refers to bleeding or impaired blood supply in the pituitary gland. […] Hypertensive crisis, which refers to extremely high blood pressure causing complications. […] Preeclampsia or eclampsia, which refer to pregnancy complications that involve sudden changes in blood pressure, potentially leading to thunderclap headaches. […] Meningitis, which refers to inflammation of the membranes surrounding the brain and spinal cord.

• #23 Thunderclap Headache: An Overview – Neurology Advisor

  https://www.neurologyadvisor.com/features/thunderclap-headache-an-overview/

  Hemorrhagic stroke, ischemic stroke, and subarachnoid hemorrhage (SAH) can cause also TCH. […] Mild-to-moderate head injury may lead to TCH hours or days following the event, due to an epidural hemorrhage, subdural hematoma, or central venous thrombosis. […] Reversible cerebral vasoconstriction syndrome (RCVS) is increasingly recognized as a common cause of recurrent TCH attacks. […] Unlike benign causes of TCH, RCVS has been linked with clinical (focal neurological deficits and seizure) and radiological (cortical SAH, intracranial hemorrhage, ischemic stroke, arterial dissection and posterior reversible encephalopathy syndrome) abnormalities, and sometimes increased morbidity and mortality. […] Vasculitis can lead to a sudden headache with a slightly longer onset than typically occurs with TCH but may present with the sudden visual and neurological impairments.

• #24 Thunderclap Headache – Pearls and Pitfalls – emDocs

  https://www.emdocs.net/thunderclap-headache-pearls-pitfalls/

  A cervical artery dissection can result in an ischemic stroke, transient ischemic attack, or more rarely a SAH. […] Headaches are reported in 60-95% of patients with carotid artery dissections and 70% of patients with vertebral artery dissections. While headache onset is typically gradual, TCH occurs in about 20% of patients with a cervical artery dissection. […] Two case reports describe patients who presented with TCH from either a hypertensive crisis or posterior reversible encephalopathy syndrome (PRES). […] About 25-34% of patients with stroke develop an associated headache. […] The most common cause of spontaneous intracranial hypotension is CSF leakage from spinal meningeal defects or dural tears. […] Meningitis can very rarely present with TCH. […] Pituitary apoplexy occurs with hemorrhage or infarction of the pituitary gland.

• #25 What are Thunderclap Headaches? | Advanced Headache Center

  https://www.advancedheadachecenter.com/what-are-thunderclap-headaches

  The second most common cause, of this condition is the sudden constriction of the blood vessels that supply blood to your brain. […] A blocked or bleeding blood vessel involved in the condition of a stroke may also trigger a thunderclap headache. […] Aneurysm is a condition wherein there is bulging or bleeding of a blood vessel in the brain, which can trigger a secondary thunderclap headache. […] Secondary thunderclap headaches can occur as a result of an injury to the brain or a severe rise in blood pressure that causes a brain bleed and other damage to the blood vessels in the brain. […] There is a possibility of complications during late-term pregnancy or shortly after delivery, such as high blood pressure and bleeding in your pituitary gland during pregnancy. […] When a blood clot forms in the brains venous sinuses, blood cannot drain out of the brain, which causes cerebral venous thrombosis.

• #26 Thunderclap headache • LITFL • Neurology library

  https://litfl.com/thunderclap-headache/

  Both ischaemic and hemorrhagic stroke may produce a thunderclap headache which can precede other stroke symptoms. […] A hypertensive crisis can precipitate a thunderclap headache. […] It is important to rule out the more serious causes of a thunderclap headache first, but there are also benign causes such as low cerebrospinal fluid (CSF) pressure, rapid onset migraine, post-coital headache, and exertional headaches. […] Half of all patients who have CSF low pressure headaches will present with a thunderclap headache elicited by assuming an upright posture. […] Rapid onset migraine is often referred to a crash migraine and the primary feature is the rapidity with which the headache reaches maximal intensity. […] Post-coital headache, a thunderclap-like primary headache disorder, which can occur before or with orgasm. […] Exertional headaches are a primary headache disorder, with a thunderclap-type presentation, precipitated by any type of exercise or high-level physical activity.

• #27 Decoding Thunderclap Headaches: Causes and Solutions – Virtual Headache Specialist

  https://virtualheadachespecialist.com/thunderclap-headaches-explained/

  Ischemic strokes can also cause thunderclap headaches. […] Hemorrhagic stroke is when there is a bleed into the tissues of the brain, rather than a blockage of an artery. […] Vasculitis occurs when there is inflammation and narrowing of various arteries in the brain. It is often associated with thunderclap headache. […] Cerebral venous thrombosis occurs when a large blood clot forms and blocks draining (venous) blood flow in the brain. […] This can occur when there is a tearing of one of the arteries in the neck or brain such as the carotid or vertebral arteries. […] Meningitis is another condition that can cause a thunderclap headache. […] A severe head injury can also bring about a thunderclap headache. […] For some patients, their migraines can come on abruptly and wake them up, or they can come on during the day as well with fast onset.

• #28 Thunderclap Headache | Symptoms, Causes, & Relief | Buoy

  https://www.buoyhealth.com/learn/thunderclap-headache

  Thunderclap headache symptoms include nausea, vomiting, loss of consciousness weakness. Learn about the serious thunderclap headache causes and risk factors. […] The most concerning and common cause of a thunderclap headache is an aneurysm rupture and subsequent bleeding in the brain. If you experience a headache that reaches maximal intensity within one minute of onset, see a physician immediately. […] Bleeding in the brain may result in a thunderclap headache. […] Aneurysm rupture: An aneurysm is a bulge that forms in a blood vessel in the brain due to a weakening in the wall. The area can rupture and cause bleeding in the brain. […] Aneurysm warning headache: Sometimes, an aneurysm can cause a thunderclap headache days or weeks before it ruptures and bleeds. Almost half of people with bleeding into the subarachnoid space due to aneurysm rupture report a similar warning headache.

• #29 What is a Thunderclap Headache? | LifeMD

  https://lifemd.com/learn/what-are-thunderclap-headaches

  A thunderclap headache is a severe occipital headache head pain that targets the occipital nerves running through the scalp area. This type of headache causes sudden intense pain within the first 30 seconds. Most thunderclap headaches last for about 60 seconds. In rare cases, they last for weeks or longer. […] Research shows that most secondary thunderclap headaches are symptoms of an underlying health condition. However, primary thunderclap headaches are rare and do not always have a clear cause. Most health experts believe hemorrhages in the wall of an aneurysm is the direct cause of thunderclap headaches. […] Potential causes of secondary thunderclap headaches include: Blood vessel tear: A decrease in proper blood flow from weak blood vessel walls may lead to a thunderclap headache or aneurysm. Ruptured aneurysm: Bulges in blood vessels rupture during an aneurysm leading to intense head pain. Stroke: During a stroke, blood vessels become blocked or rupture. They commonly occur with uncontrolled high blood pressure. Blood clots: Blood clots block blood vessel passageways which increases cholesterol levels. This may cause severe head pain. Some medications like testosterone or estrogen may increase your risk for blood clots. Tumor: The growth of a tumor in the pituitary gland and other parts of the brain may cause thunderclap headaches. Spontaneous intracranial hypotension (SIH): A neurological condition resulting in fluid leaking from the spinal cord. The most common symptom is an intense headache. Meningitis: Inflammation that occurs around the brain and spinal cord. Head injury: A severe headache from trauma to the head forms within hours to days after an injury. Medications: Certain medications like testosterone, estrogen, birth control pills, marijuana, and stimulants may trigger thunderclap headaches. Harmful drugs like cocaine may also lead to thunderclap headaches. Reversible cerebral vasoconstriction syndrome (RCVS): This occurs when blood vessels in the brain narrow. Vasculitis: Inflammation in blood vessels after an autoimmune attack can trigger a thunderclap headache and a sudden loss of vision. Those over the age of 50 have an increased risk of vasculitis. […] Some women may experience headaches in the later stages of pregnancy. Changes in hormones happen in the pituitary gland. Pregnancy may trigger a type of thunderclap headache known as the pituitary apoplexy.

• #30 Diagnosing secondary sudden onset (thunderclap) headaches | Medmastery

  https://www.medmastery.com/guides/headaches-clinical-guide/differentiating-severe-and-benign-secondary-sudden-onset-thunderclap?srsltid=AfmBOooSxL0NZA8hEpih3jTew-lHHfRjrfz4CRngSgpkDBY7MP1zPRM4

  A hypertensive crisis can precipitate a thunderclap headache. […] It is important to rule out the more serious causes of a thunderclap headache first, but there are also benign causes such as low cerebrospinal fluid (CSF) pressure, rapid onset migraine, post-coital headache, and exertional headaches. […] Half of all patients who have CSF low pressure headaches will present with a thunderclap headache elicited by assuming an upright posture. […] Rapid onset migraine is often referred to a crash migraine and the primary feature is the rapidity with which the headache reaches maximal intensity. […] Remember to also include in your list of differentials post-coital headache, a thunderclap-like primary headache disorder, which can occur before or with orgasm. […] Exertional headaches are a primary headache disorder, with a thunderclap-type presentation, precipitated by any type of exercise or high-level physical activity.

• #31 Understanding Thunderclap Headaches – Expert Insights from Neurosurgeons

  https://www.kauveryhospital.com/blog/neurology/all-about-thunderclap-headaches/

  A rupture of a blood vessel in the brain, due to aneurysm or hypertension […] […] A tear in the lining of an artery in the head or neck region that supplies blood to the brain, causing bleeding in the areas surrounding the brain: called Cervical artery dissection […] […] Cerebrospinal fluid is a fluid that surrounds the brain and spinal cord, and serves various functions. When there is a tear in the covering around a nerve root in the spine, this fluid can leak. Then thunderclap headaches are one of the symptoms […] […] Pituitary gland related – when tissues in the gland start dying out, or if there is bleeding in the gland, or blockage in blood-flow to the gland […] […] A blood clot in the brain (cerebral thrombosis) […] […] Sudden and severe elevation in blood-pressure (called hypertensive crisis) […]

• #32 Thunderclap headaches | Altru Health System

  https://www.altru.org/health-library/conditions/thunderclap-headaches

  Thunderclap headaches are uncommon, but they can warn of potentially life-threatening conditions usually having to do with bleeding in and around the brain. […] There’s no obvious cause for some thunderclap headaches. In other cases, a variety of potentially life-threatening conditions might be responsible, including: […] Bleeding between the brain and membranes covering the brain (subarachnoid hemorrhage) […] A rupture of a blood vessel in the brain […] A tear in the lining of an artery that supplies blood to the brain […] Leaking of cerebrospinal fluid usually due to a tear of the covering around a nerve root in the spine […] Death of tissue or bleeding in the pituitary gland […] A blood clot in the brain […] Severe elevation in blood pressure (hypertensive crisis) […] Infection such as meningitis or encephalitis […] Ischemic stroke.

• #33 Understanding Thunderclap Headaches – Expert Insights from Neurosurgeons

  https://www.kauveryhospital.com/blog/neurology/all-about-thunderclap-headaches/

  Infections that affect the brain such as encephalitis or meningitis […] […] Ischemic stroke due to disrupted blood-supply to the brain […] […] Trauma, or head injury that causes bleeding in the brain […] […] Late-term pregnancy complications such as eclampsia (results in hypertension) and bleeding in the pituitary gland, either during pregnancy or following delivery […] […] Carcinoid tumours and Pheochromocytoma […] […] Haemorrhagic stroke […] […] Vasculitis, or inflammation of a blood vessel in the brain […] […] Blocked veins in the head […] […] Leaking spinal fluid […] […] Cerebral venous sinus thrombosis occurs when a blood clot forms within a large vein in the brain […] […] Spontaneous intracranial hypotension: In this condition, a low pressure is formed within the skull due to reduction in cerebrospinal fluid […]

• #34 Thunderclap Headache – Pearls and Pitfalls – emDocs

  https://www.emdocs.net/thunderclap-headache-pearls-pitfalls/

  A retroclival hematoma is usually seen as a rare manifestation of severe head and neck injuries in which there is atlantoaxial dislocation. […] A colloid cyst of the third ventricle can impede the flow of CSF leading to obstructive hydrocephalus. […] Temporal arteritis is a very rare cause of TCH. […] Reversible Cerebral Vasoconstriction Syndrome (RCVS) includes conditions associated with TCH and diffuse, segmental, reversible vasospasm. […] Other conditions that have been reported in association with TCH include complicated sinusitis; cluster headache; primary cough, exertional, and sexual headaches; and primary TCH.

• #35 Understanding Thunderclap Headaches – Expert Insights from Neurosurgeons

  https://www.kauveryhospital.com/blog/neurology/all-about-thunderclap-headaches/

  Meningitis, which is an inflammation of the membranes surrounding the brain and spinal cord […] […] Acute sinusitis: An inflammation of the nasal passage caused by rapid changes in air pressure (called barotrauma) […] […] A colloid cyst of the third ventricle: This is a benign (non-cancerous) growth in the third ventricle, which is a narrow cavity in the brain’s centre […] […] Pituitary apoplexy: In this condition, a tumour in the pituitary gland starts bleeding or outgrows its blood supply […] […] A brain tumour.

• #36 What Is Thunderclap Headache – Klarity Health Library

  https://my.klarity.health/what-is-thunderclap-headache/

  Risk factors for thunderclap headaches are numerous and will depend on the specific cause as above. It is important to be mindful of potential triggers in RCVS and primary headache, which may include coughing, exercise, straining whilst on the toilet or exertion during sexual activity. As well as these triggers, RCVS may also present following exposure to certain medications such as antidepressants (SSRIs), migraine medications (triptans), decongestants used for blocked sinuses, as well as the illicit drugs cocaine and cannabis. Additional risk factors that may be linked to RCVS or SAH may include high blood pressure, high cholesterol, smoking, drinking alcohol, diabetes, family history of aneurysms, or recent childbirth (for those assigned female at birth). […] Identifying any specific triggers or events in the run-up to your headache may prove valuable for your medical team in identifying the likely cause of the headache. As well as this, an improved understanding of these triggers may help you prevent your symptoms from recurring, especially in primary cases of thunderclap headaches.

• #37 Thunderclap Headaches: Symptoms, Causes, and Treatment

  https://www.healthline.com/health/thunderclap-headaches

  A thunderclap headache is most commonly a symptom of a subarachnoid hemorrhage, or bleeding in the brain, which can be life threatening if not treated quickly. The most common cause of this type of bleeding is a ruptured aneurysm in the brain. […] Other serious and possibly life threatening causes may include: a blood vessel in the brain thats been torn, blocked, or ruptured; hemorrhagic stroke; ischemic stroke; mild to moderate head injury; reversible cerebral vasoconstriction syndrome; vasculitis, or inflammation of a blood vessel. […] In some cases, a physical cause for your thunderclap headache may not be found. These types of thunderclap headaches are considered to be due to an idiopathic benign recurrent headache disorder. […] Thunderclap headaches are often caused by a rapid change in blood flow to the brain, which could be due to: problems with the blood vessels; head injury; bleeding in the brain; hemorrhagic or ischemic stroke; reversible cerebral vasoconstriction syndrome.

• #38 Thunderclap Headaches – Symptoms, Causes,and Treatment

  https://www.webmd.com/migraines-headaches/thunderclap-headaches

  This rare type of severe headache comes on suddenly. The cause, which can be life-threatening, is often some kind of bleeding in or around your brain. […] Thunderclap headaches could be caused by bleeding from an artery into the space surrounding your brain. This is known as a subarachnoid hemorrhage. […] Those with a predisposition to anything that suddenly increases the pressure in their brain are susceptible to these headaches because it makes it more likely that a damaged artery will bleed. […] A thunderclap headache could also be caused by any of the following: Small tears in the arteries of your head or neck, Blocked veins in your head, Leaking spinal fluid, Rapid changes in blood pressure, An infection in your brain, Head injury, Hemorrhagic stroke (This comes from a ruptured blood vessel in your brain.), Inflamed blood vessels, Extremely high blood pressure in late pregnancy, Drugs like cocaine or amphetamines, Brain aneurysms (silent until the bleed).

• #39 Etiologies of thunderclap headache – UpToDate

  https://www.uptodate.com/contents/image?imageKey=NEURO/81710

  Etiologies of thunderclap headache. Most common causes of thunderclap headache: Subarachnoid hemorrhage. Reversible cerebral vasoconstriction syndromes (RCVS). Conditions that less commonly cause thunderclap headache: Cerebral infection (eg, meningitis, acute complicated sinusitis). Cerebral venous thrombosis. Cervical artery dissection. Spontaneous intracranial hypotension. Acute hypertensive crisis. Posterior reversible leukoencephalopathy syndrome (PRES). Intracerebral hemorrhage. Ischemic stroke. Conditions that uncommonly or rarely cause thunderclap headache: Pituitary apoplexy. Colloid cyst of the third ventricle. Aortic arch dissection. Aqueductal stenosis. Brain tumor. Giant cell arteritis. Pheochromocytoma. Pneumocephalus. Retroclival hematoma. Spinal epidural hematoma. Varicella zoster virus vasculopathy. Vogt-Koyanagi-Harada syndrome. Disputed causes of thunderclap headache: Sentinel headache (unruptured intracranial aneurysm). Primary thunderclap headache. Sentinel headache due to an unruptured intracranial aneurysm is a possible cause of thunderclap headache, but supporting data are weak. There is controversy as to whether thunderclap headache can occur as a benign and potentially recurrent headache disorder in the absence of underlying organic intracranial pathology.

• #40 Thunderclap Headache: What It Is, Causes & Symptoms

  https://my.clevelandclinic.org/health/symptoms/17876-thunderclap-headaches

  Thunderclap headaches are a medical emergency, and its important to assess them for an underlying cause. If healthcare providers find the cause, they tailor the treatment to address it. […] If a thunderclap headache isnt associated with an urgent underlying condition (a primary thunderclap headache), your healthcare provider may treat it with medication. […] Because they come on without warning, its difficult to prevent thunderclap headaches. Managing underlying health conditions and avoiding triggers are the best ways to keep them from occurring. […] Go to the emergency room if youre experiencing a thunderclap headache for the first time. Its urgent to determine if a dangerous condition is the underlying cause so it can be treated quickly if necessary. Some conditions associated with a thunderclap headache can be fatal without prompt treatment.

• #41 Thunderclap Headache – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK560629/

  What differentiates thunderclap headaches from other headache types is how rapidly they reach their peak intensity, not the headache intensity itself. […] The absence of associated symptoms and a normal physical examination do not exclude a serious etiology of secondary TCH. […] The differential diagnosis includes other primary headache disorders and secondary TCH causes. Primary cough headache, primary exercise headache, and primary headache associated with sexual activity can all present as TCH. […] The complications associated with secondary TCH depend on the attributable cause.

• #42 Acute Headache in Adults: A Diagnostic Approach | AAFP

  https://www.aafp.org/pubs/afp/issues/2022/0900/acute-headache-adults.html

  A detailed history and physical examination can distinguish between key features of benign primary headaches and concerning symptoms that warrant further evaluation for a secondary headache. […] Red flag signs or symptoms such as acute thunderclap headache, fever, meningeal irritation on physical examination, papilledema with focal neurologic signs, impaired consciousness, and concern for acute glaucoma warrant immediate evaluation. […] Patients with acute thunderclap headache should be sent to the emergency department and should receive computed tomography of the head within 12 hours of symptom onset. […] Immediate evaluation is necessary for acute thunderclap headache because of its high pretest probability (greater than 40%) for serious intracranial pathology such as subarachnoid hemorrhage. […] Onset is sudden/abrupt (thunderclap headache)

• #43 Thunderclap headaches – Hancock Health

  https://www.hancockhealth.org/mayo-health-library/thunderclap-headaches/

  Thunderclap headaches are uncommon, but they can warn of potentially life-threatening conditions usually having to do with bleeding in and around the brain. […] Theres no obvious cause for some thunderclap headaches. In other cases, a variety of potentially life-threatening conditions might be responsible, including: […] Treatment is aimed at the cause of the headaches if one can be found.

• #44 Thunderclap Headache: Symptoms, Causes & Treatment

  https://www.metropolisindia.com/blog/preventive-healthcare/thunderclap-headache-causes-symptoms-treatment

  A thunderclap headache is an extremely severe headache that reaches peak intensity within 60 seconds and lasts for at least five minutes. While about 75% of thunderclap headaches have benign causes, 25% result from serious conditions like subarachnoid hemorrhage, stroke, or brain aneurysm. Thunderclap headaches are often a sign of a serious underlying condition. Here are some of the most common thunderclap headache causes: Subarachnoid hemorrhage (SAH): This is bleeding into the space around the brain, often due to a ruptured aneurysm. It’s the most common cause of thunderclap headaches. Cerebral venous sinus thrombosis (CVST): This is a blood clot in the brain’s venous sinuses. Reversible cerebral vasoconstriction syndrome (RCVS): This condition causes the blood vessels in the brain to constrict temporarily. It can be triggered by certain medications, illicit drugs, or even pregnancy. Meningitis: This is an infection of the protective membranes covering the brain and spinal cord that can cause a thunderclap headache. Pituitary apoplexy: This is bleeding or loss of blood supply to the pituitary gland. Research shows that between 11% and 25% of individuals who visit the emergency room with a thunderclap headache are diagnosed with a subarachnoid hemorrhage. This underscores the importance of seeking immediate medical evaluation to rule out potentially life-threatening conditions. Understanding thunderclap headache causes is critical because these headaches often indicate serious medical emergencies. Immediate medical evaluation is essential, as pain relief alone is insufficient and may delay a life-saving diagnosis. Properly addressing the underlying cause is the key to effective treatment, reducing risks, and ensuring long-term well-being.

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