When the heart beats faster than normal it is called
-
bradycardia
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tachycardia
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heart murmer
-
None of these
B
Correct answer
Explanation
Tachycardia is the medical term for a heart rate that exceeds the normal resting rate (over 100 beats per minute). Bradycardia is the opposite - an unusually slow heart rate. A heart murmur is an abnormal sound, not a rate issue.