Premature complexes

Results:
ECG STAT October 12, 2025
Premature Atrial Complexes (PACs)

Key Points PACs are early atrial depolarizations from an ectopic focus that create a premature P wave with a different morphology and axis than the sinus P wave, usually followed…

ECG STAT October 10, 2025
Premature Complexes (PACs, PJCs, & PVCs) Overview

Key Points Premature complexes are early depolarizations arising from the atrium, AV junction, or ventricle which interrupt the expected sinus rhythm. Rapid classification by origin: look for a P wave…

Weekly Workout March 9, 2015
Rhythm Interpretation: a three-step approach to diagnosing AV blocks

HPI:  A 54-year-old woman with PMHx of cardiomyopathy is referred to the ED by her cardiologist who is concerned about an “arrhythmia”. Case ECG   Before watching this week’s video,…

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