அனைவருக்கும் வணக்கம், நான் மருத்துவர் வினோத்குமார், MBBS MS.
Stroke அல்லது பக்கவாதம் பலருக்கும் சந்தேகங்கள் இருக்கும், இந்த பதிவில் பக்கவாதம் பற்றி தெளிவாக விளக்கியுள்ளேன்.

பக்கவாதம் ஏற்படும் முன் வரும் எச்சரிக்கை அறிகுறிகள் என்ன ?

பக்கவாதம் ஏற்பட காரணம் என்ன ?

எந்த வகை பக்கவாதம் அதிக உயிரிழப்பு ஏற்படுத்தும் ?

பக்கவாததின் வகைகள் என்ன ?

சிகிச்சை முறைகள் என்ன ?

தலைக்காயம் அறிகுறிகள் என்ன ? செய்யவேண்டிய முதலுதவி முறைகள் என்ன ? முழு வீடியோ :    • தலைக்காயம் அறிகுறிகள் என்ன | CT ஸ்கேன...  

Symptoms

If you or someone you're with may be having a stroke, pay particular attention to the time the symptoms began. Some treatment options are most effective when given soon after a stroke begins.

Signs and symptoms of stroke include:

Trouble speaking and understanding what others are saying. You may experience confusion, slur your words or have difficulty understanding speech.

Paralysis or numbness of the face, arm or leg. You may develop sudden numbness, weakness or paralysis in your face, arm or leg. This often affects just one side of your body. Try to raise both your arms over your head at the same time. If one arm begins to fall, you may be having a stroke. Also, one side of your mouth may droop when you try to smile.

Problems seeing in one or both eyes. You may suddenly have blurred or blackened vision in one or both eyes, or you may see double.

Headache. A sudden, severe headache, which may be accompanied by vomiting, dizziness or altered consciousness, may indicate that you're having a stroke.

Trouble walking. You may stumble or lose your balance. You may also have sudden dizziness or a loss of coordination



Ischemic Stroke

Most strokes (87%) are ischemic strokes.

 An ischemic stroke happens when blood flow through the artery that supplies oxygenrich blood to the brain becomes blocked.

Blood clots often cause the blockages that lead to ischemic strokes.

Hemorrhagic Stroke

A hemorrhagic stroke happens when an artery in the brain leaks blood or ruptures (breaks open).

The leaked blood puts too much pressure on brain cells, which damages them.

High blood pressure and aneurysms—balloonlike bulges in an artery that can stretch and burst—are examples of conditions that can cause a hemorrhagic stroke.

There are two types of hemorrhagic strokes:

Intracerebral hemorrhage is the most common type of hemorrhagic stroke. It occurs when an artery in the brain bursts, flooding the surrounding tissue with blood.

Subarachnoid hemorrhage is a less common type of hemorrhagic stroke. It refers to bleeding in the area between the brain and the thin tissues that cover it.


A transient ischemic attack (TIA) is sometimes called a “ministroke.” It is different from the major types of stroke because blood flow to the brain is blocked for only a short time—usually no more than 5 minutes.

Risk factors

Many factors can increase your stroke risk. Potentially treatable stroke risk factors include:

Lifestyle risk factors

Being overweight or obese

Physical inactivity

Heavy or binge drinking

Use of illegal drugs such as cocaine and methamphetamine

Medical risk factors

High blood pressure

Cigarette smoking or secondhand smoke exposure

High cholesterol

Diabetes

Obstructive sleep apnea

Cardiovascular disease, including heart failure, heart defects, heart infection or abnormal heart rhythm, such as atrial fibrillation

Personal or family history of stroke, heart attack or transient ischemic attack


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