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Strokes

 

A stroke occurs when the blood supply to part of the brain is interrupted, resulting in insufficient oxygen and nutrients for the brain cells. This causes the brain cells to die. 


There are two main types of stroke: an ischemic stroke (caused by a blocked artery) or a haemorraghic stroke (caused by a burst blood vessel). 


Ischemic stroke is more common, and occurs when the blood vessels become narrowed due to the build up of fatty deposits or by blood clots. 


On the other hand, haemorrhagic strokes can result from many different factors, such as uncontrolled hypertension, aneurysms and trauma. 


Strokes can occur at any time. Early action is paramount to effective treatment. Hence it is crucial to be able to spot the signs of stroke. After a stroke occurs, the patient may have trouble speaking, seeing and walking and may experience paralysis on one side of the body. 


The patient should be rushed to the hospital immediately. Strokes can lead to temporary or permanent disabilities. These include paralysis and memory loss.


Sources:

https://www.mayoclinic.org/diseases-conditions/stroke/symptoms-causes/syc-20350113

https://www.healthline.com/health/stroke

https://www.medicinenet.com/stroke_symptoms_and_treatment/article.htm

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