Best Answer: hi, i am a doctor.. the resting heartbeat is around 72 beats per minute.. however, 60 to 80 is normal.. the heart rate increases with excitement, disease such as thyrotoxicosis and many other factors.. if the heart rate is too slow it is called bradycardia if its too fast its tachycardia..owever, 60 to 80 is normal.. the heart rate increases with excitement, disease such as thyrotoxicosis and many other factors.. if the heart rate is too slow it is called bradycardia if its too fast its tachycardia..