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Dr. Andrew Rynne

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What can happen when heart rate is well over 200 ?

I m 16 years young and my cardiologist told me that when I m exercising that my heart rate is well over 200 but he never really told me what would happen and I just want to know. Can someone help me?
Wed, 16 Dec 2009
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  User's Response
What will happen is that when you stop exercising your pulse rate will just steadily go down to your usual 'relaxed' rate. That's how the system (your body's cardiovascular system, that is) works. When you begin exercising your heart beats more times per minute to pump more blood round, -to power your muscles. The harder you work out, the more blood is pumped, and vice versa. When you slow down so does your heart. At the opposite end, when you go to sleep, your pulse rate gradually falls .. So if your usual daytime 'rest state' pulse is about 75 bpm, you will find that it will drop down to as low as even perhaps 45-55 bpm when you're in deep sleep.. Contrary to what you'll read in books (and on Answers especially) , there is no truly "REST" condition... Your pulse (and blood pressures) can vary from deep sleep to high stress exercise levels. It's a continuous scale.
Disclaimer: These answers are for your information only and not intended to replace your relationship with your treating physician.
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