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 ...

Here, we break down what you need to know about an EKG test, including: What is an EKG? What does an EKG show? How is an EKG ...

Routine ECG recorded through noninvasive, cheap and easily available tolls have markers that portend higher stroke risk. Atrial fibrillation (AF) is the most common clinical arrhythmia ...

A signal averaged ECG is a diagnostic test that averages multiple QRS complexes ... and is thought to increase the risk of ventricular arrhythmias, although this is controversial.