Figure 84b

Posteroanterior (left) and lateral (right) chest radiographs illustrating three pacing leads: two in the atrium and one in the ventricle. The atrial appendage lead (A) lies above the atrial screw-in lead (B) secured to the anterior right atrial wall. The ventricular lead (C) lies at the apex of the right ventricle. In the lateral view (right) all electrodes lie anterior.

Mond, H.G., MD, Permanent Cardiac Pacemakers: Techniques of Implantation, Testing, and Surveillance, Hurst's The Heart, 8th ed., p 815-841