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 ...

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 ...

Q: Even though my doctor told me I am pretty healthy, she ordered an electrocardiogram (ECG) to be done right in her office. Besides a heart attack, what else can ECGs show? A: Cardiac (heart) cells ...

Many a layman who has just had an electrocardiogram takes his doctor’s verdict of “ECG normal” as an assurance of a long and healthy life. Cardiologists know better. The repetitive squiggles on the ...

This wide QRS complex tachycardia has a typical left bundle branch block pattern, but two things give the clue that this is ventricular tachycardia. There is a fusion beat (second from left) present ...

Background Interpretation of the athlete’s ECG is based on differentiation between benign ECG changes and potentially pathological abnormalities. The aim of the study was to compare the 2010 European ...