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Exam questionKROK 1Medicine ยท 2015

Electrocardiogram analysis demonstrates that cardiac cycle of a human equals 1 second. It means that heart rate per minute equals:

Answer options

  1. 60
  2. 70
  3. 100
  4. 80
  5. 50
Correct answer

60

Explanation

In a second the heart beats once, meaning in one minute the heart beats 60 times.

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