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Left Bundle Branch Block with Sinus Tachycardia

Tue, 11/01/2011 - 09:11 -- Dawn

This is a great ECG to demonstrate the criteria for left bundle branch block:  supraventricular rhythm, wide QRS, negative V1, and upright Lead I and V6.  The supraventricular rhythm is proven by easily seen P waves.  Good tracing to begin a discussion of wide complex tachycardias - supraventricular vs. ventricular rhythms.

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