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In an adult at rest, the heart rate is usually between sixty and one hundred beats per minute
By admin | March 22, 2009
In an adult at rest, the heart rate is usually between sixty and one hundred beats per minute. However, lower rates may be normal in young adults, particularly those who are physically fit. A person”s heart rate varies normally in response to exercise and such stimuli as pain and anger. Heart rhythm is considered abnormal only when the heart rate is inappropriately fast (known as tachycardia) or slow (known as bradycardia), or is irregular, or when electrical impulses travel along abnormal pathways.
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