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 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, ...

3. Premature supraventricular beat with aberrancy (left bundle branch block pattern). Multifocal atrial tachycardia (MAT) occurs when multiple areas (ectopic foci) within the atrium generate ...

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

This 81 year old woman presents to her GP with blackouts lasting a few seconds. What does her ECG show? A Sinus rhythm with Mobitz I second degree (Wenckebach) AV block The ECG shows consistent p ...

Multifocal atrial arrhythmia is an uncommon type of tachycardia that usually develops in people with certain illnesses. Those with the condition have a heart rate of over 100 beats per minute.

Having an accelerated junctional rhythm occurs when the atrioventricular node in your heart beats too quickly. It happens as a result of damage to your heart’s primary natural pacemaker. There’s no ...

Single-chamber ventricular leadless pacemakers do not support atrial pacing or consistent atrioventricular synchrony. A dual-chamber leadless pacemaker system consisting of two devices implanted ...