Greitz, 9 in a detailed study of brain circulation using serial cerebral angiography at similar speeds, measured the time between maximum concentration of opaque medium in the carotid siphon and ...

A 33 year-old man developed the explosive onset of a headache followed by nausea and vomiting. Subarachnoid Hemorrhage - Anterior Cerebral Artery Aneurysm. (Left) Axial CT scan without contrast; ...

There is a nearly complete absence of any branches off the posterior cerebral arteries. This is the angiographic picture of an embolus, in this case of cardiac origin from the mitral stenosis and ...

The blood pressure was 85/75 mm. of mercury in the left arm and 120/80 mm. of mercury in the right. There was a localized Grade 2 systolic bruit over the left subclavian artery.