Healio

Atrial Arrhythmias ECG 7

This is a narrow-complex QRS rhythm which is quite fast. Looking closely at the last part of the QRS complex in leads V1 and V2, P waves can be seen. This is considered a "short RP tachycardia" and is ...
Healio

Atrial Arrhythmias ECG 31

Note the premature ventricular contraction (PVC) that triggers the AVNRT in this ECG. If a premature atrial contraction (PAC) or premature ventricular contraction (PVC) occurs at the right time, the ...
Medscape

ECG Challenge: Think Fast -- What's Going On in This ECG?

The initial part of the ECG shows a regular narrow complex tachycardia at a rate of 160 beats/min. The QRS complex duration is normal (0.08 sec) and there is normal morphology and normal axis between ...
Nature

Slow-pathway modification for AVNRT is sufficient to cure AF in select patients

Atrioventricular nodal re-entrant tachycardia (AVNRT) can trigger atrial fibrillation (AF), but the incidence of AVNRT as a cause of AF is unclear. Identification of patients with AVNRT could improve ...
Medscape

ECG Challenge: A Cardiac Patient With Slow Heartbeat and Fatigue

A 34-year-old man with a history of atrioventricular (AV) nodal reentrant tachycardia and treated with a beta-blocker and verapamil presents to the emergency department with fatigue and a slow heart ...
WebMD

Electrocardiograms (ECG or EKG)

An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of heart disease. It's done through small ...