Blood-filled pouch that balloons out from weak spot in artery
wall. If one bursts in the brain, it causes a hemorrhagic
stroke. Imaging test used to view blood vessels. Contrast
solution is injected while X-rays are simultaneously taken.
Absence of oxygen. Drug that helps prevent the clotting
(coagulation) of blood. See Heparin, Coumadin, Warfarin.
Medicines like aspirin that reduce blood's tendency to clot but
are not true anticoagulants, like Warfarin. See Antiplatelet
therapy. Total or partial loss of the ability to use words,
frequently caused by a stroke that injures the brain's language
center. Abnormal heart rhythm that typically leads to diminished
delivery of blood and nutrients to the brain and other organs.
This condition can also lead to the formation of blood clots in
the heart that can travel to the brain and cause a stroke. Blood
brain barrier Elaborate network of supportive brain cells,
called glia, surrounding blood vessels and protecting neurons
from toxic effects of direct exposure to blood