The strip below shows a junctional rhythm with retrograde P waves seen just before the QRS complex. The second rhythm strip shows retrograde P waves just after the QRS complex.

ECG Challenge: What's Causing This Long Pause? An older woman visits the hospital after fainting, and telemetry shows long pauses in her heart's rhythms. What does the ECG show?

All other characteristics of VT apply; this includes the presence of atrioventricular dissociation, as seen in the ECG and strip below, and the Brugada Criteria. An idioventricular rhythm is ...

The resting electrocardiogram (ECG ... ECG correlates have been proposed and found to be indispensable in clinical practice; they include, among others, the ECG diagnoses of myocardial ischemia ...

Physicians may modify the ECG criteria or diagnostic testing based on past experience, practice setting or the presence or absence of concerning symptoms or family history.