Which type of stroke is characterized by a blockage in a blood vessel supplying the brain?

The type of stroke characterized by a blockage in a blood vessel supplying the brain is an ischemic stroke. This condition occurs when a blood vessel that provides blood to the brain is obstructed, commonly due to a blood clot or atherosclerosis (the buildup of fatty deposits in the arteries). This obstruction leads to a reduction in blood flow, depriving brain tissue of necessary oxygen and nutrients, which can result in cell death and neurological deficits.

Ischemic strokes account for the majority of all strokes, making understanding their mechanism crucial for stroke management and prevention. The rapid identification and management of ischemic strokes can significantly improve patient outcomes, highlighting the importance of recognizing the signs and symptoms early.

Other types of strokes, such as hemorrhagic strokes, involve bleeding in or around the brain due to a ruptured blood vessel, while transient ischemic attacks (TIAs) are temporary disruptions of blood flow to the brain that typically resolve on their own and do not cause permanent damage. Cerebral venous thrombosis refers to thrombus formation in the cerebral veins, leading to increased intracranial pressure, but it is not classified as a blockage of an arterial supply. Each of these conditions has distinct mechanisms and clinical implications, underlining the significance of accurately identifying