Figure: ECG right bundle branch block

Introduction

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49 yrs       Male     BP 182/102

PR:  181
QRS: 137      Normal sinus rhythm @ 64/min
QT:  436      Right bundle branch block. QRS > 120 mS. Terminal forces right.
QTc: 450

 Axes

P:    47
QRS: -17
T:    17

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