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.
Heart Dysrhythmias, Irregular Pulse, Missed beats and Palpitations. Contents. A normal person's heart should beat somewhere between 60 and 80 beats per minute with the rate slightly speeding up as one breathes in and slightly slowing down as one breathes out. Fit athletes have a slower pulse because as a result of training the heart beats more powerfully at rest.