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BRAIN STROKE

A stroke occurs when part of the brain loses its blood supply and stops working. A stroke occurs when part of the brain loses its blood supply and stops working. This causes the part of the body that the injured brain controls to stop working. A stroke also is called a cerebrovascular accident, CVA, or “brain attack”.

Transient ischemic attack, TIA, or mini-stroke (The stroke symptoms resolve within minutes, but may take up to 24 hours on their own without treatment. This is a warning sign that a stroke may occur in the near future.)
A stroke is a medical emergency. The affected individual, family, friends, or bystanders need to call 9-1-1 (activate EMS) to access emergency care.
From onset of symptoms, there is only a 3 to 4 1/2 hour window to use clot-busting drugs (thrombolytics) to try to restore blood supply to the affected part of the brain.

Stroke and Maximum Heart Rate

What heart rate is too high?

Before doing any vigorous exercise, you should know your maximum heart rate and target heart rate, both of which vary by age.
Going beyond your maximum heart rate is not healthy for you. Your maximum heart rate depends on your age. This is how you can calculate it:

Subtracting your age from the number 220 will give you your maximum heart rate. Suppose your age is 35 years, your maximum heart rate is 185 beats per minute. If your heart rate exceeds 185 beats per minute during exercise, it is dangerous for you.
Your target heart rate zone is the range of heart rate that you should aim for if you want to become physically fit. It is calculated as 60 to 80 percent of your maximum heart rate.
Your target heart rate helps you to know if you are exercising at the right intensity.
It is always better to consult your doctor before starting any vigorous exercise. Your doctor might advise you to lower your target heart rate by 50 percent or more.

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