Add Yahoo as a preferred source to see more of our stories on Google. Electrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images Your ...

If you recently got a pacemaker due to an arrhythmia (an irregular heartbeat), heart failure, or bradycardia (a heart that beats too slowly), you might have concerns about getting back into exercise.

A pacemaker may be useful for atrial fibrillation (AFib) involving a slow heart rate or other heart conduction disorders. However, doctors may recommend lifestyle changes to manage AFib before a ...