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Subarachnoid hemorrhage

Notice all the blood that has built up under the skull. This patient suffered from a subarachnoid hemorrhage (SAH) which typically occurs due to a ruptured saccular aneurysm and presents with thunderclap headache associated with brief loss of consciousness and meningismus. Berry aneurysms are thin-walled saccular outpouchings in the vessels of the brain. These outpouchings lack a media layer (unlike other vessels in the brain) & therefore have an increased propensity to rupture! SAH is associated with Marfan’s syndrome, Ehlers Danlos & polycystic kidney disease. The patient’s chief complaint is classically having ‘the worst headache of their lives’). The prognosis remains poor: up to half of patients die and one third of survivors are left dependent.Photo by @cmusom