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 ...

ICMs are equipped with a memory loop and, once activated by the patient at the time of symptoms by means of an external activator, store a one-lead ECG tracing, both retrospectively and ...

Not all ECG tracings are clear cut and textbook quality. This ECG is a bit vague in a couple ways. There is some baseline artifact making it difficult to see if there is truly P wave activity.

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 ...