A stroke is a serious medical condition requiring immediate attention, as it can lead to life-threatening complications if not addressed quickly. Strokes occur when a blood vessel in the brain is blocked or ruptures, cutting off oxygen and essential nutrients to brain cells. Without these, the brain cells begin to deteriorate, leading to potential long-term damage. Acting quickly if symptoms arise can be life-saving, so it’s essential to understand the warning signs, some of which may appear suddenly or even up to a month in advance.

There are several types of strokes, each affecting the brain differently. The most common type, making up about 85% of cases, is an ischemic stroke. This stroke is caused by a blockage in a blood vessel due to factors like cholesterol buildup or atherosclerosis, leading to a condition called cerebral thrombosis. Another form, called cerebral embolism, occurs when a blood clot forms and obstructs blood flow to the brain. Both types restrict oxygen and nutrient supply, with potentially severe consequences.

Hemorrhagic strokes account for approximately 15% of all stroke cases and occur when a blood vessel in the brain bursts, often due to high blood pressure or an aneurysm. This bleeding can also be triggered by factors like brain tumors or bleeding disorders. The impact of hemorrhagic strokes can be intense, leading to sudden complications. Recognizing the symptoms and seeking medical help immediately is crucial, as these strokes progress rapidly and can be life-threatening.

Another warning sign is a transient ischemic attack (TIA), which is a temporary blockage of blood flow to the brain. Often referred to as a “mini-stroke,” a TIA is a critical warning sign, indicating a high risk of a full-blown stroke in the future. TIAs typically last only a few minutes and may resolve on their own, but they should never be ignored. Anyone experiencing a TIA should consult a healthcare provider promptly to discuss preventive measures and reduce the risk of a major stroke.