Multifocal atrial tachycardia Old inferior myocardial infarction Premature supraventricular beat with aberrancy (left bundle branch block pattern). Multifocal atrial tachycardia (MAT) occurs when ...

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 irregular supraventricular tachycardias include atrial fibrillation (AF), AFL when it occurs in a patient with variable AV block (not shown), multifocal atrial tachycardia (MAT), and sinus rhythm ...

The rhythm is either sinus rhythm or not sinus rhythm. Sinus rhythm refers to the origination of the electrical activity coming from the sinus node — also known as the sinoatrial node, or SA node.

The correct diagnosis is atrial fibrillation with PVC and Ashman phenomenon (Figure 2). The rhythm is irregularly irregular without any organized atrial activity. Most of the QRS complexes are narrow, ...

This week the FDA has approved a new smartphone ECG device that is capable of detecting three heart arrhythmias takes the form of the AliveCor KardiaMobile. Designed to detect Atrial Fibrillation ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...