I have spent thousands of hours (yes, thousands) looking at 12-lead ECG tracings, studying ECGs for the cardiology boards, interpreting ECGs for direct patient care, and developing ECG tutorials ...

Identifying an acute myocardial infarction on the 12-lead ECG is the most important ... as possible is crucial — as mentioned in 10 Steps to Learn ECG Interpretation. This is the big one that ...

As noted above, the precordial leads are unreliable, compromising by their inclusion calculations deriving from the set of 12 ECG leads. It appears, therefore, that using sums of data from the six ...