Why the study?
Does wavelet analysis of the QRS complex detect arrhythmogenic substrates and correlate with ventricular mechanical dysfunction in patients with idiopathic dilated cardiomyopathy?
Population
26 patients with idiopathic dilated cardiomyopathy (IDCM) and 12 normal subjects (total n=38).
Comparison
Wavelet analysis on averaged QRS complexes… vs Normal subjects.
Design
Case-control
Authors
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Wavelet QRS analysis may mark arrhythmogenic substrates in IDCM; hypothesis-generating and requires prospective validation before clinical use.
Does wavelet analysis of the QRS complex detect arrhythmogenic substrates and correlate with ventricular mechanical dysfunction in patients with idiopathic dilated cardiomyopathy?
Fine fragmented signals in the QRS complex detected by wavelet analysis serve as a marker for arrhythmogenic substrates and correlate with left ventricular mechanical dysfunction in idiopathic dilated cardiomyopathy.
Maehara et al. (1999) studied this question.
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