Antibiotics are used to treat or prevent some types of bacterial infections. They aren't effective against viral infections, such as the common cold or flu. Antibiotics should only be prescribed to treat conditions:
1 A normal adult resting heart beat is between 60-100 heartbeats per minute. 2  Some experienced athletes may see their resting heartrate fall below 60 beats per minute. 3  Tachycardia refers to the heart beating too fast at rest-over 100 beats per minute.
As a heart rhythm specialist, I am often asked to see patients referred for low or high heart rates. We are asked to be the judge for what is ânormal.â. The old school teaching holds that the normal resting heart rate is greater than 55 and less than 100 beats per minute (bpm).Maximal heart rates are estimated by the well known formula: 220 â your age = Max heart rate.s a heart rhythm specialist, I am often asked to see patients referred for low or high heart rates. We are asked to be the judge for what is ânormal.â. The old school teaching holds that the normal resting heart rate is greater than 55 and less than 100 beats per minute (bpm).