Cardio Pacemaker (From the Collection #4)

The Story Many medical discoveries of the late 19th century contributed to the creation of the artificial pacemaker. By 1900, cardiac specialists knew that the heart was a muscle which contracted steadily in order to pump blood throughout the body, and were also aware of the effects that electricity produced in muscle tissues, namely contraction.[1] … More Cardio Pacemaker (From the Collection #4)