What Causes A Stroke ◎ 〈TOP〉

A stroke occurs when a weakened blood vessel in the brain actually bursts, spilling blood into the surrounding brain tissue. This is often more severe because it causes dual damage: the brain cells beyond the leak are starved of oxygen, while the escaped blood creates intense pressure and swelling inside the skull. Stroke - Symptoms and causes - Mayo Clinic

About 87% of all strokes are . In this scenario, a blood vessel becomes obstructed, preventing blood from reaching brain cells, which then begin to die within minutes. This blockage usually occurs in one of two ways: what causes a stroke

A clot forms elsewhere in the body—often in the heart due to an irregular rhythm like Atrial Fibrillation (AFib) —and travels through the bloodstream. It eventually reaches a vessel in the brain that is too narrow for it to pass through, causing an immediate blockage. The Break: Hemorrhagic Stroke A stroke occurs when a weakened blood vessel