A 54 year-old man presented with a sudden, severe headache, nausea and vomiting. Later the same day, he underwent successful clipping of a posterior communicating artery aneurysm. Seven days post-op, ...

Vasospasm refers to the sudden contraction of the muscular walls of an artery. It causes the artery to narrow, reducing the amount of blood that can flow through it. The tissue receiving blood from ...

A vasospasm is when one of the arteries carrying oxygen-rich blood throughout your body suddenly contracts. (The word "vaso" means vessel, and "spasm" is a sudden, involuntary muscle squeeze.) This ...

A 33 year-old man presented with a sudden, severe headache, nausea and vomiting. On angiogram, an anterior communicating artery aneurysm was seen, which was successfully treated surgically the next ...