Ischemic vs hemorrhagic stroke

17 Aug 2023 · 1 min

Watch on YouTube

0:36

The speaker explains the fundamental differences between ischemic and hemorrhagic strokes. An ischemic stroke occurs when a blood clot blocks a vessel, cutting off blood flow to a brain region. A hemorrhagic stroke happens when a blood vessel ruptures, causing blood to leak into brain tissue, which both deprives the area of blood and raises intracranial pressure. The contrast highlights that ischemic strokes involve obstruction, whereas hemorrhagic strokes involve vessel rupture and pressure increase.

Chapters

An ischemic stroke is caused by a lack of blood flow to an area of the brain because there's a blood clot that blocks that blood flow. A hemorrhagic stroke is when a blood vessel breaks and blood is leaking out of that vessel, which leads to two problems. A lack of blood flow to the designated area and an increase in intracranial pressure, since the blood is leaking out of the vessel, increasing the pressure in the brain. So in an ischemic stroke, there's an actual clot that cuts off blood flow. But in a hemorrhagic stroke, the blood vessel breaks and blood is now leaking out around the brain.