Medscape

ECG Challenge: Her Annual Physical Is Normal, Except the ECG

The diagnosis is normal sinus rhythm, atrial bigeminy, first-degree atrioventricular (AV) block (prolonged AV conduction), and right bundle branch block (RBBB). The rhythm is slightly irregular, with ...
Medscape

ECG Challenge: What's Behind Her Slow Pulse?

The rhythm is irregular, but the long intervals are the same (↔) and the short intervals (┌┐) are the same. One premature QRS complex (↑) is observed. Therefore, the rhythm is regularly irregular. The ...
Nature

Cardiac time intervals derived by magnetocardiography in fetuses exposed to pregnancy hypertension syndromes

To test the hypothesis that fetuses exposed to maternal preeclampsia or chronic hypertension have deranged development of cardiac time intervals. Pregnancies were divided into three groups: ...
Healio

Atrial Arrhythmias ECG 6

The QRS complex is irregular and coarse "fibrillatory waves" are present (see atrial fibrillation review by clicking below) indicating the presence of atrial fibrillation. There is quite a slow ...
The New England Journal of Medicine

Diagnostic Clues in the Wolff–Parkinson–White Syndrome

A RECENT review of experience with the syndrome of short PR interval and abnormal ventricular complex occurring in otherwise healthy persons prone to paroxysmal tachycardia disclosed that a third of ...
Nature

Longitudinal changes in QT interval variability and rate adaptation in pregnancies with normal and abnormal uterine perfusion

The maternal heart significantly adapts to the circulatory needs of pregnancy, but the effect of pregnancy on ventricular repolarization is poorly understood. The aim of this study was to quantify ...
GP magazine

Cardiac arrhythmias

Contributed by Dr Rajiv Sankaranarayanan, a cardiology specialty registrar in electrophysiology, Manchester Heart Centre, Manchester. Cardiac arrhythmias affect more than two million people in the UK, ...