The correct diagnosis is wandering atrial pacemaker/multifocal atrial rhythm (Figure 2). The rhythm is irregularly irregular at a rate of 90 beats/min. The QRS complexes are narrow with a normal axis, ...
The rhythm is irregularly irregular (ie no consistency to the RR intervals). There are three supraventricular rhythms that are irregularly irregular: Sinus arrhythmia, in which there is one P wave ...
Multifocal atrial tachycardia Old inferior myocardial infarction Premature supraventricular beat with aberrancy (left bundle branch block pattern). Multifocal atrial tachycardia (MAT) occurs when ...
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