Identifying an acute myocardial infarction on the 12-lead ECG is the most important thing you can learn in ECG interpretation ... as the LAD supplies septal branches to the interventricular ...

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 ...

We therefore sought to describe normative ECG characteristics and to examine the prevalence of abnormal ECG findings as defined by contemporary athlete ECG interpretation criteria among competitive ...