The Apex Cardiogram
Abstract
Apex cardiography is the recording of movements of the chest wall over the apex of the heart. The subject is placed in a semilateral decubitus, and the left arm is raised. The point of strongest impulse in expiratory apnea is located by the examiner, and a bell or funnel with a diameter of 2.5 to 3.5 cm is held there firmly. If a phonocardiogram is obtained simultaneously, a single cup is used with a small side-extension for attachment of the rubber tubing for the apex cardiogram....