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 ...
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 ...
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