According to the Mayo Clinic , treatment depends on the underlying cause: Bradycardia - Symptoms and causes - Mayo Clinic
: Highly active individuals often have resting heart rates below 60 bpm because their heart muscle is efficient enough to pump plenty of blood with fewer beats. bradycardia
: Certain drugs for high blood pressure (like beta-blockers) or some antidepressants. According to the Mayo Clinic , treatment depends