The QRS morphology in this ECG is of a left bundle branch block pattern and is monophasic downward in the precordial leads, another indicator of a ventricular origin of the rhythm. An ...

1 The majority of disorders associated with increased risk of sudden cardiac death (SCD), such as cardiomyopathies and primary electrical diseases, are suggested by abnormal findings present on an ECG ...

Below is an ECG displaying a right bundle branch block ... The QRS morphology criteria to diagnose VT with a RBBB include the following: A monophasic R or biphasic qR complex in V1 An RSR ...