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 ...
AHA/ASA Journals

The Illusion of Sinus Rhythm With a Prolonged PR Interval: What Lies Beneath the Notch in V1?

A 68-year-old man without previous comorbidities presented to the emergency department with complaints of palpitations and giddiness. On examination, his pulse rate was 92 beats per minute, and his ...
Medscape

ECG Challenge: High Blood Pressure and Asymptomatic

The correct diagnosis is sinus rhythm, Mobitz type II, transient complete atrioventricular (AV) block, and escape ventricular complex (Figure 2). The rhythm is irregular because of several long RR ...
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 ...