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Ischemic Stroke – Understanding Causes, Symptoms, and Treatment
Ischemic stroke is the most common type of stroke, accounting for nearly 80 percent of all cases worldwide. It occurs when blood flow to a part of the brain is obstructed, usually due to a clot blocking an artery. Because brain cells depend on a constant supply of oxygen and nutrients, even a short interruption in circulation can cause significant damage. Early detection and immediate medical attention are therefore critical to reducing long-term impairment and improving survival rates.
The condition typically develops in two ways. In some cases, a clot forms directly within a narrowed or damaged artery inside the brain. In other situations, a clot forms elsewhere in the body—often in the heart—and travels through the bloodstream until it lodges in a brain vessel. Risk factors include high blood pressure, diabetes, smoking, high cholesterol, atrial fibrillation, and a sedentary lifestyle. Aging…