ECG Quest > Blocks > Multiple Blocks > Bifascicular block

Bifascicular block

A bifascicular block is usually meant to include a right bundle branch block with either a left anterior or left posterior fascicular block.

See also: Multiple Blocks

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References

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In the ECGquest archives, this ECG has been tagged with: - Tachycardia Wide QRS Change in rhythm Wide complex tachycardia Bifascicular block LAFB RBBB Positive Sgarbossa criteria 12-Lead Dr Smith's ECG Blog CC BY-NC
What is this rhythm? And what else does it show?

This ECG is from a man in his 60s who presented with abdominal pain dyspnoea and altered level of consciousness, in shock.

This ECG shows wide complex tachycardia with concordant ST elevation in V4-6, due to LAD occlusion. The rhythm was likely sinus tachycardia with RBBB and then LAFB mid way through the trace.

In the ECGquest archives, this ECG has been tagged with: - Left Axis Deviation Bifascicular block LAFB RBBB 12-Lead ECG Guru CC-BY-NC-SA
Instructors’ Collection ECG: Bifascicular Block

This ECG is from a woman in her 70s who presented with sepsis.