During atrial flutter, the atrium can beat up to 300 times a minute , and every second beat gets through to the ventricle, resulting in a pulse rate in the range of 150 beats per minute (the normal heart beat is 60 to 90 beats per minute).
During atrial flutter, the atrium can beat up to 300 times a minute , and every second beat gets through to the ventricle, resulting in a pulse rate in the range of 150 beats per minute (the normal heart beat is 60 to 90 beats per minute).