Background The PR interval is a ubiquitous parameter available to all clinicians. Studies on associated risk have been ...
BOSTON – A common electrocardiogram (ECG) finding that has largely been considered insignificant may actually signal an increased risk of atrial fibrillation (a chronic heart rhythm disturbance), the ...
June 24 -- TUESDAY, June 23 (HealthDay News) -- A slight abnormality in an electrocardiogram (EKG), until now thought to be insignificant, can be a warning sign of future cardiac problems and an ...
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 ...
Figure 1 shows straightforward type I (second-degree) AV block. The QRS complexes do not occur regularly, which immediately rules out third-degree AV block, because in third-degree AV block the escape ...