Multifocal Atrial Tachycardia

Multifocal Atrial Tachycardia EKG tracing
RhythmIrregular
RateFast (> 100 bpm)
P WaveOften changing shape and size from beat to beat (at least three differing forms)
PR IntervalVariable
QRSNormal (0.06-0.10 sec)
NotesT wave is often distorted Also review wandering atrial pacemaker lesson