Posted on 21/06/201821/06/2018 by Tom Redfern ECG #43 12-lead electrocardiogram following the second dose of intravenous adenosine: Show solution DESCRIPTION: Sinus rhythm with a ventricular rate of 158 bpm Tall/peaked P waves (P pulmonale) indicating right atrial enlargement Short PR interval (96 ms) Rightward QRS axis (130°) Resolution of ST-segment and T-wave changes Normal QTc 424 ms INTERPRETATION: Normal neonatal electrocardiogram. Pages: 1 2