A College Student Has Been Experiencing Frequent Headaches That He

Multiple Choice

A college student has been experiencing frequent headaches that he describes as throbbing and complaining of difficulty concentrating while studying. Upon cerebral angiography, he is found to have an arteriovenous malformation. Which of the following pathophysiological concepts is likely responsible for his symptoms?

A) Increased tissue perfusion at the site of the malformation
B) Hydrocephalus and protein in the cerebral spinal fluid
C) High pressure and local hemorrhage of the venous system
D) Localized ischemia with areas of necrosis noted on CT angiography