Answer
Answer 21-2. It is usually due to aneurysm or arteriovenous malformation. LP may be the only way to rule this out and angiogram is the definitive test for identification of the specific cause.
Answer 21-2. It is usually due to aneurysm or arteriovenous malformation. LP may be the only way to rule this out and angiogram is the definitive test for identification of the specific cause.