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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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.