Identifying an acute myocardial infarction on the 12-lead ECG is the ... and only requires 1 mm in 2 contiguous leads. There is usually reciprocal depression in leads I and aVL, which helps ...

multiple criteria have been developed to diagnose LVH on an ECG; they are listed below. Cornell criteria: Add the R wave in aVL and the S wave in V3. If the sum is greater than 28 millimeters in ...