The image below shows the typical findings of a left bundle branch block in the precordial ECG ... tachycardia because both cause a wide complex QRS complex. The Brugada Criteria for diagnosing ...
QRS duration of > 120 milliseconds rsR' "bunny ... However, unlike in the presence of a left bundle branch block, myocardial ischemia and infarction can easily be detected on ECG when a RBBB ...
What varies with the presence of bundle branch block is (1) anterograde conduction (timing of local V, onset and ending/morphology of the QRS) and (2) retrograde conduction (timing of conduction ...
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