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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. [1] [2] Although approximately 75% are attributed to "primary" headaches—headache disorder, non-specific headache, idiopathic thunderclap headache, or uncertain headache disorder—the remainder are secondary to other causes ...
[1] [6] One small, possibly biased study found that the condition was eventually diagnosed in 45% of outpatients with sudden headache, and 46% of outpatients with thunderclap headache. [1] The average age of onset is 42, but RCVS has been observed in patients aged from 19 months to 70 years. [1] Children are rarely affected. [1]
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These typical symptoms include: headache, nausea and vomiting, cognitive difficulty, sleepiness, seizures, balance and gait disturbances, visual abnormalities, and incontinence. [ 5 ] Headache may be a result of the raised intracranial pressure from the disrupted flow of CSF, and sometimes this symptom may come on suddenly as a “thunderclap ...
Nine in ten people with cerebral venous thrombosis have a headache; this tends to worsen over the period of several days, but may also develop suddenly (thunderclap headache). [3] The headache may be the only symptom. [5] Many have symptoms of stroke: inability to move one or more limbs, weakness on one side of the face or difficulty speaking ...
Symptoms of SAH include a severe headache with a rapid onset (thunderclap headache), vomiting, confusion or a lowered level of consciousness, and sometimes seizures. [10] CT scan has 100% sensitivity of detecting SAH at 6 to 24 hours after symptoms onset. [3] The diagnosis is generally confirmed with a CT scan of the head.
Cluster headaches may occasionally be referred to as "alarm clock headache" because of the regularity of their recurrence. Cluster headaches often awaken individuals from sleep. Both individual attacks and the cluster grouping can have a metronomic regularity; attacks typically strike at a precise time of day each morning or night.
Thunderclap headache, an intense headache that can be a sign of a medical emergency. Thunderclap plan, a canceled German attack that was planned for August 1944. The Delft Thunderclap, the 1654 explosion of the Delft gunpowder magazine. Thunderclap (security vulnerability), related to computer flaws. Viking Thunder Clap, a football chant.