signal averaged electrocardiography

signal averaged electrocardiography

Cardiology A technique that amplifies late potentials–high-frequency, low-amplitude signals at the end of the QRS complex, attributed to fragmented and delayed conduction through the borders of a myocardial scar
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Collectively, these studies identify additional patient populations for which the Alternans Test is a valuable diagnostic tool, as well as showing its superiority to Signal Averaged Electrocardiography (SAECG).
A Comparison of T-wave Alternans and Signal Averaged Electrocardiography in Predicting Outcome of Electrophysiology Testing