and the QRS axis is normal. The causes of LAD are listed below. Note that the first three account for almost 90% of ECG tracings with LAD. If the QRS is predominantly negative in lead I and ...

The six precordial leads are called leads V1, V2, V3, V4, V5 and V6. Below is a normal 12-lead ECG tracing. The different parts of the ECG will be described in the following sections. A normal ECG ...

Of course, such an approach requires more than a single ECG tracing. Incorporation of these ideas in one's "routine" is not cumbersome, necessary information derives from ubiquitously available ...