Abstract
Sudden onset severe headache, so called thunderclap headache, is a common condition that sometimes indicates a life-threatening conditions such as subarachnoid haemorrhage (SAH). Little is known about the prognosis of primary sudden onset severe headache (PSOH). Objectives To investigate the recurrence rate of sudden onset severe headache with normal brain imaging and lumbar puncture and factors associated with its recurrence.
Highlights
Sudden onset severe headache, so called thunderclap headache, is a common condition that sometimes indicates a life-threatening conditions such as subarachnoid haemorrhage (SAH)
Little is known about the prognosis of primary sudden onset severe headache (PSOH)
We investigate recurrence rate of PSOH and prognostic factors associated with its recurrence: sex, age, provoking factors, etc
Summary
Called thunderclap headache, is a common condition that sometimes indicates a life-threatening conditions such as subarachnoid haemorrhage (SAH). Little is known about the prognosis of primary sudden onset severe headache (PSOH). Objectives To investigate the recurrence rate of sudden onset severe headache with normal brain imaging and lumbar puncture and factors associated with its recurrence
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