Assertion: aneurysm's symptom | /r/HasProperty | thunderclap headache
Facets:
Source sentences:
text: The classic symptom of subarachnoid hemorrhage is thunderclap headache (a headache described as "like being kicked in the head", or the "worst ever", developing over seconds to minutes).
text: If a brain aneurysm bleeds, the most common symptom is a "thunderclap headache" that many people describe as the “worst headache of their lives.