1. Moshe Algom, M.D., Zwi Schlesinger, M.D., F.C.C.P.
Apical Two-Dimensional Echocardiographic Imaging of Implanted Endocardial Pacing Electrodes 
Moshe Algom, M.D., Zwi Schlesinger, M.D., F.C.C.P. 
CHEST 
Volume 79, Issue 4, (April 1981)
DOI: /chest a
Copyright © 1981 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Two-dimensional apex four-chamber view showing the electrode catheter (C) positioned in the right ventricular apex. RV = right ventricle; LV = left ventricle; RA = right atrium; LA = left atrium.
CHEST  , DOI: ( /chest a)
Copyright © 1981 The American College of Chest Physicians Terms and Conditions