What are the Signs of a Mini Stroke?
Mini strokes or TIA’s are the result of blockage of blood flow to the brain. These warning signs occur mainly in ischemic episodes. When one occurs, the body quickly sends out tPA to dissolve the clot. While a patient may experience symptoms, no damage to brain tissue occurs. However, a TIA is a warning signal that a stroke is on its way, so medical assistance should be sought immediately. Although ischemic and hemorrhagic are completely different episodes, they both carry the same symptoms and inclinations.
The complete blockage of an artery resulting in restricted blood flow is an ischemic episode. When ischemia occurs, the result is cell death and loss of functionality in the extremities including the face.
The formation of these blood clots can also be caused by atrial fibrillation, previous heart attack, heart valve diseases, some STDs, cardiovascular disease and Cerebrovascular disease.
Plaque buildup in the arteries resulting in narrowing of the arteries is a common factor in ischemic episodes. In this case, cells and other debris stick to the cracks in the plaque.
Blood clots are the body’s way of protecting itself from injury. If bleeding is present, a clot is formed to stop it. If the bleeding continues, other serious complications can occur.
The body’s defense mechanism will automatically release an enzyme called plasmin to dissolve a clot. Once this is complete, white cells or phagocytes are released to engulf the left over debris and carry it away.
Symptoms of a mini stroke include loss of balance, inability to speak and sudden headache. These symptoms are short lived and leave behind no permanent brain damage. If someone experiences these symptoms, it is highly advisable that they seek immediate medical assistance as these are small warning signs that a major stroke is about to occur. Medical professionals will then try to restore blood flow to the brain in order to prevent the onset of a major stroke.
There is a time element with stroke. In order for doctors to use certain medications, treatment must begin within 3 hours from when symptoms started. If symptoms are not recognized, then extensive damage could result. This is why it is important to know the signs and symptoms to avoid a delay in treatment.
Mini stroke can come on suddenly. There is no warning because the TIA itself serves as a warning of a major ischemic episode. A major stroke usually happens within a year of a mini stroke; however, this can be avoided and prevented with appropriate treatment. Your doctor can perform tests to determine your risk for more serious complications if you seek medical treatment at the first sign or symptom of a mini stroke.
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