To place a pacemaker, a lead wire is inserted into the cephalic vein of the shoulder and fed into the heart chambers (B). An electrode is implanted in the heart muscle of the lower chamber, and the device is attached (C). (Illustration by Argosy.)
Pacemakers like these are usually impl...
Two types of pacemakers. (Photograph b...
To place a pacemaker, a lead wire is i...