refers to the normal heart beat originating from the sinoatrial node. This is manifested as an upright P wave in lead II of the ECG. Sinus bradycardia occurs when the heart rate is less than 60 ...

These ECG findings in athletes are considered normal, physiological adaptations to regular exercise and do not require further evaluation (box 1). Convex (‘domed’) ST segment elevation combined with T ...

Every time you see an ECG with a T wave or ST segment that is not normal, use this list to identify the possible causes. There are likely additional scenarios I did not think to mention here ...

The resting electrocardiogram (ECG) furnishes essential information for the diagnosis, management, and prognostic evaluation of patients with congestive heart failure (CHF). Almost any ECG ...

Less commonly, SCD manifests without prior disease symptoms in individuals with structurally normal ... ECG) between ventricular depolarization (reflected by the QRS complex) and repolarization (T ...

The goal of ECG interpretation in athletes is to classify the ECG as: (1) ‘normal’—no further evaluation needed ... These include findings suggestive of cardiomyopathy such as T-wave inversion, ST ...