Systemic Sarcoidosis and Cardiac Conduction Abnormalities Eric E. Harrison, M.D., Hugh M. Martin, M.D. CHEST Volume 80, Issue 4, (October 1981) DOI: 10.1378/chest.80.4.521 Copyright © 1981 The American College of Chest Physicians Terms and Conditions
Figure 1 His bundle electrogram shows A-V dissociation with high grade block above the His bundle. HV time was 56 msec. HBE = His bundle electrogram; A = atrial deflection; V = ventricular deflection; H = His bundle deflection. CHEST 1981 80, DOI: (10.1378/chest.80.4.521) Copyright © 1981 The American College of Chest Physicians Terms and Conditions