This ECG has both second degree AV block with 2:1 block and second degree type I AV block. Note that intermittent P waves conduct to the ventricles on this ECG tracing, however it is clear that ...

Learning all ... Heart ECG Quizzes and Cases, then review once again, or as many times as you’d like, when you identify a gap in your knowledge. You can never look at too many 12-lead ECG tracings.

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