Checking your pulse rate is discussed-by Dr harold Gunatillake FRCS, FICS, FIACS,MBBS, AM (Sing)-Health writer   The Pulse rate which you determine at the wrist is directly in communication with your heart rate, and to be more exact to the contractions of the left ventricle of the heart. In short, if the heart beats sixty times per minute, the pulse rate should be exactly the same. In the ECG picture the spike is referred to as R wave and the distance between two R’s would be each pulse beat. Our heart or pulse rate varies every minute of the day, depending on the demands we make on our bodies. At sleep when demands are minimal the pulse rate is at its lowest, and with exercise and other activities it becomes more rapid according to its demand. ...

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