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Supraventricular Tachycardia with Aberrancy

Image 1 of 2 in Series "Supraventricular Tachycardia with Aberrancy Aborted with Carotid Massage to Sinus Rhythm Revealing Bundle Branch Blocks"

Description

A wide-complex tachycardia with rate of 140 bpm, QRS 144 ms and no discernible p-waves that lacks concordance throughout precordial leads and has appreciable RSR' right bundle branch morphology in V1-V2

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This image is part of the series "Supraventricular Tachycardia with Aberrancy Aborted with Carotid Massage to Sinus Rhythm Revealing Bundle Branch Blocks"

Other images in this series

Sinus Bradycardia with Right Bundle Branch and Left Anterior Fascicular Blocks

by: Matthew T. Brown, MD; Cristina Vellozzi-Averhoff, MD

Sinus bradycardia with rate of 49 bpm and sustained widened QRS at 152 ms with RSR' pattern of right bundle branch block (RBBB) best seen in V2-V3 plus small R waves with deep S waves (rS complexes) in II, III, and aVF characteristic of left anterior fascicular block (LAFB)