Multifocal Atrial Tachycardia

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EKG Drill Answer

This is Multifocal Atrial Tachycardia. Look for rhythm that is irregular, with heart rate that is fast (> 100 bpm). Notice that the P wave is often changing shape and size from beat to beat (at least three differing forms). The PR interval is variable. The QRS is typically normal (0.06-0.10 sec). T wave is often distorted Also review wandering atrial pacemaker lesson.

EKG Arrhythmia Practice Drill Tracing

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