1 The majority of disorders associated with increased risk of sudden cardiac death (SCD), such as cardiomyopathies and primary electrical diseases, are suggested by abnormal findings present on an ECG ...

High vagal tone in athletes results in bradycardia and repolarization anomalies on the resting ECG. Bradycardia permits enhanced diastolic filling, which in turn results in highly effective ...

The purpose of prophylactic pacing is to prevent symptomatic or catastrophic bradycardia by selecting ... so that knowledge of the specific ECG pattern can be used to estimate the risk of ...