electrophysiology

In order for the heart muscle to actually contract, the physiological process of excitation-contraction coupling must occur via an action potential propagated through the myocardium. Normally, these muscle cells have a resting transmembrane potential...

With the number of patients receiving permanent pacemakers (PPMs) and implantable cardioverter-defibrillators (ICDs) increasing each year, we'll see more of these devices in our respective clinical settings. With this post, I'll try to simplify pacemaker nomenclature...