Which pacemaker is the best

Learn what pacemakers are and what they do, how they are implanted, and what to expect if you have or need one. Richard N. Fogoros, MD, is a retired professor of medicine and board-certified internal medicine physician and cardiologist. Jef. A wandering atrial pacemaker is a type of heart arrhythmia. Learn how it’s diagnosed and treated. Heart arrhythmias A wandering atrial pacemaker is a type of heart arrhythmia. An arrhythmia is a problem with the rhythm or rate of your heart. Defibrillators and pacemakers treat heart conditions. Pacemakers send a steady electric current to your heart. Defibrillators send current when it's needed. Defibrillators and pacemakers are two types of implantable medical devices. Both de.