without the morphology typical of right or left bundle branch block, although a terminal S wave is present in lead V6 (←). Terminal S wave in V6 represents terminal forces going from left to ...

A heart block is a conduction disorder that affects the heart’s electrical system, causing a slower and sometimes irregular ...

A STEMI is generally defined as an Electrocardiogram (EKG) with ST elevation of greater than 1 mm in 2 or more contiguous leads. It has also been defined as a "new" Left Bundle Branch Block (LBBB ...

Classification of QRS morphology on ECG followed pre-defined criteria (22). The LBBB was defined as follows: QRS duration ≥120 ms, QS or rS in V1, and monophasic R wave without Q waves in I and V6.

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