Dr. Sunil Malagi, Consultant Neurosurgeon, KLE Suchirayu Hospital, Hubballi
A stroke occurs when the blood supply to a part of the brain is disrupted, leading to a variety of debilitating consequences. Brain strokes, commonly referred to as strokes, are a medical condition that occurs when there is a disruption in the blood supply to a part of the brain. This disruption can lead to a lack of oxygen and essential nutrients reaching brain cells, causing them to die. Let’s understand all about it.
Types of Brain Strokes
Ischemic Stroke:
Ischemic strokes are the most common type, accounting for approximately 87% of all strokes. They occur when a blood clot or plaque buildup narrows or blocks an artery supplying blood to the brain. This deprives brain cells of oxygen and nutrients, causing tissue damage.
Hemorrhagic Stroke:
Hemorrhagic strokes, while less common, are often more severe. They result from the rupture of a blood vessel within the brain, leading to bleeding into the surrounding tissue. This bleeding can cause increased pressure within the skull, damaging brain cells and tissue.
Transient Ischemic Attack (TIA):
Sometimes referred to as a “mini-stroke,” TIAs are temporary disruptions of blood flow to the brain. They share similar symptoms with ischemic strokes but typically last only a few minutes and do not cause permanent damage. However, TIAs are warning signs of potential major strokes and should not be ignored.
Causes of Brain Strokes
Understanding the underlying causes of strokes is vital in preventing and managing this life-threatening condition:
Warning Signs of a Stroke
Recognizing the warning signs of a stroke and acting quickly can make a significant difference in the outcome. The American Stroke Association emphasizes the “FAST” acronym to help identify stroke symptoms:
Understanding the types, causes, and warning signs of strokes is essential for early detection and intervention. By raising awareness about strokes and taking preventive measures to address risk factors, we can make significant strides in reducing the burden of this life-altering condition and saving lives. Remember, acting “FAST” can make all the difference in a stroke patient’s journey to recovery.
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