Figure: ECG left anterior hemiblock, low voltage

Introduction

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46 yrs       Male   BP 110/63

PR:  162
QRS:  97      Normal sinus rhythm, rate 61.
QT:  446      Left axis deviation. Left anterior fasicular block (LAFB)
QTc: 449      Borderline low voltage in frontal leads.

 Axes

P:    44
QRS: -70
T:    50

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