This ECG shows P waves that are not always associated with a QRS complex. This is called "AV dissociation" and occurs in complete heart block ... of other ventricular rhythms such as in this ...

Learning chamber hypertrophies and bundle blocks can be difficult ... I have learned the most about ECG interpretation by developing content for Learn the Heart and teaching ECG courses in ...

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?

ECG interpretation in athletes requires careful analysis to properly distinguish physiological changes related to athlete's heart from findings suggestive ... sinus arrhythmia and 1° atrioventricular ...

The resting electrocardiogram (ECG) furnishes essential information for the diagnosis, management, and prognostic evaluation of patients with congestive heart ... bundle branch block and ...