Figure: ECG sinus bradycardia, Osborne J waves

Introduction

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80 yrs       Male

PR:  204
QRS: 127      Sinus bradycardia, rate 61.
QT:  540      Non-specific intraventricular conduction delay. QRS > 120 ms.
QTc: 446      Osborne J waves. Consider hypothermia.

 Axes

P:    45
QRS:  44
T:    30

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