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Prediction of Arrhythmia Risk Based on Signal‐Averaged ECG in Postinfarction Patients
Author(s) -
BORGGREFE MARTIN,
FETSCH THOMAS,
MARTÍNEZRUBIO ANTONI,
MÄKIJÄRVI MARKKU,
BREITHARDT GÜNTER
Publication year - 1997
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1997.tb06106.x
Subject(s) - medicine , signal averaged electrocardiogram , ventricular tachycardia , cardiology , qrs complex , tachycardia , sudden cardiac death
In patients surviving acute MI, identification of those at high risk for life‐threatening ventricular tachyarrhythmias and/or sudden death is of great importance. Numerous strategies based on indices such as the degree of left ventricular dysfunction, complex ventricular arrhythmias, or parameters of autonomic dysfunction have not yet led to an effective identification of the individual patient at risk. During the past decade, many investigators have recorded low amplitude, high frequency components in the terminal QRS complex (so‐called late potentials) from patients prone to sustained ventricular tachycardia. The SAECG has been used to predict life‐threatening tachyarrhythmias in patients after acute MI and to screen for inducible ventricular tachycardia in patients with unexplained syncope or sustained ventricular tachycardia. This review article describes the most frequently applied methodology and clinical applications of the SAECG in post‐MI patients and discusses the usefulness of noninvasive recordings in various other clinical settings.