Stroke

A stroke occurs when blood flow to part of the brain is cut off or reduced. This prevents brain tissue from getting oxygen and nutrients. Brain cells begin to die within minutes.

Stroke is a medical emergency, and prompt treatment is critical. Early treatment can reduce brain damage and other complications

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Symptoms

Trouble speaking and understanding what others are saying

Paralysis or numbness of the face, arm, or leg may occur

Vision problems in one or both eyes

Headache

difficulty walking

 
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When do you visit the doctor?

Seek medical attention right away if you notice any signs or symptoms of a stroke, even if they seem to come and go or go away completely. Think fast and do the following:

the face. Ask the person to smile. Does one side of the face droop?

arms. Ask the person to raise their arms. Does one arm go down?

 Or is he unable to lift one arm? Speech (speak). Ask the person to repeat a simple phrase. Is his way of speaking confused or strange?

the time. If you notice any of these signs, call 911 or emergency medical help right away

 
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the reasons

There are two main causes of stroke: the result of a blocked artery (ischemic stroke) or a leaking or bursting blood vessel (hemorrhagic stroke). Some people may experience a temporary decrease in blood flow to the brain, known as a transient ischemic attack, or TIA, that does not cause permanent symptoms.

 

ischemic stroke

This is the most common type of stroke. It occurs when the blood vessels supplying the brain with blood become narrowed or blocked, resulting in a severe reduction in blood flow (ischemia). A blockage or narrowing of blood vessels is caused by a buildup of fatty deposits, blood clots, or other deposits in the bloodstream that lodge in a blood vessel in the brain.

Some preliminary research suggests that COVID-19 infection may be a possible cause of ischemic stroke, but more studies are needed.

 

hemorrhagic stroke

A hemorrhagic stroke occurs when a blood vessel in the brain leaks or ruptures. Bleeding within the brain can result from many conditions that affect the blood vessels. Factors related to hemorrhagic stroke include the following

Uncontrolled high blood pressure

  • Excessive treatment with blood thinners (anticoagulants)

Swelling at weak points in blood vessel walls (aneurysm)

  • Bodily injury (such as a car accident)

Protein deposits in the walls of blood vessels that lead to weakness in the vessel wall (amyloidal encephalopathy)

Ischemic stroke leads to bleeding

A less common cause of bleeding in the brain is a rupture of an abnormal tangle of thin-walled blood vessels (arteriovenous malformation).

 
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protection

Regulating high blood pressure (hypertension)

Reduce the amount of cholesterol and saturated fats in your diet

Quit smoking of all kinds

Diabetes management

Maintain a healthy weight

Eat a diet rich in fruits and vegetables

exercise regularly

 
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Stroke treatment

To treat an ischemic stroke, doctors must quickly restore blood flow to the brain. This can be done by: Intravenous medications in emergency situations. In the case of intravenous administration, treatment with clot-busting drugs should begin within 4 to 5 hours of the onset of symptoms.

 
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