A very quick way to diagnose a left anterior fascicular block on ECG is to first identify the left axis deviation; see image below.

The axis of the ECG is the major direction of the overall electrical activity of the heart. It can be normal, leftward (left axis deviation, or LAD), rightward (right axis deviation, or RAD) or ...

Cardiovascular-related sudden death is the leading cause of mortality in athletes during sport.1 The majority of disorders associated with increased risk of sudden cardiac death (SCD), such as ...