Cardiac pacing and arrhythmia control is accomplished with one or more implantable receiver-stimulators and an external system that alternatively includes the use of an external pacemaker.

In 1952, Paul Zoll, a cardiologist in Boston, made the first practical external pacemaker.

I synchronize my words with the compressions and call out for an external pacemaker.

Born in Winnipeg, Manitoba, Dr. John Hopps invented the world’s first external, artificial pacemaker.

An epicardiac pacing lead for applying electrical stimulation to the heart of a cardiac surgical patient from an external pacemaker.

In the late 1950’s, Bakken developed the first external, wearable, battery-powered, transistorized heart pacemaker, and commercialized the first implantable pacemaker in 1960.

Dr. John Alexander “Jack” Hopps developed the first external pacemaker, which stimulates the heart muscles with an electric current.

Dr. John Alexander “Jack” Hopps developed the first external pacemaker, which stimulates the heart muscles with an electric current.

The popular heart-helping device was apparently the brainchild of a Canadian named Dr. John Alexander “Jack” Hopps, who developed the first external pacemaker in 1951 according to The Canadian Institutes of Health Research.

Each leg of the output circuit contains a switch (SW1-SW4).

An external defibrillator/pacer (8) includes an output circuit (14) with four legs arrayed to form an H-bridge.