Figure: ECG electronic pacemaker, failure to capture

Introduction

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            Female
PR:  202
QRS: 145      Electronic pacemaker, ventricular capture. Rate = 80.
QT:  460      Failure to capture & sense.
QTc: 517

 Axes

P:    36
QRS: 131
T:    27

Courtesy of Kerala Serio, M.D. UCSF Fresno.