Heart rate: Heart rate is usually not a constant. It goes up and down all the time depending on circumstances. Some people can go too fast or too slow at times. If the heart slows down too much, it can be 'bad'. Slowing down within normal parameters is a normal function.
Answered 3/24/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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