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- W2362263325 abstract "Objective To investigate clinical value of QRS prolongation in right precordial leads in patients with arrhythmogenic right ventricular cardiomyopathy (ARVC). Methods Clinical and ECG data were reevaluated in 25 patients (12 male and 13 female, average age 37.1±15.0 years) with ARVC. Duration of QRS complex, QT interval, mean values of QRS in right precordial leads (QRS1) or left precordial leads (QRS2), and QRS1 / QRS2 were measured and calculated, respectively. Results Of 25 patients, 11 patients (group 1) had Epsilon wave, and 63.6%(7 / 11)of them were found Epsilon waves in right precordial leads(V1～V3). Other 14 of 25 patients (group 2) had no Epsilon wave. QRS and QT dispersion in these patients were 36.3±27.2ms and 57.2±27.1ms, respectively. Mean QRS duration was 0.13±0.03 s in QRS1 [(V1+V2+V3) / 3] and 0.11±0.02 s in QRS2 [(V4+V5+V6) / 3](P0.01). QRS1 / QRS2 was 1.2±0.2(1.0～1.9). QRS prolongation in right precordial leads(QRS1 / QRS2≥1.2)was presented in 16 patients (61.5%). Eight patients(72.7%)had histories of syncope in group 1 and 4 patients (28.6%) in group 2 (P0.05). Values of QRS1,QRS2 and QRS1 / QRS2 in group 1(0.14±0.04s, 0.13±0.02s and 1.22±0.26s) were similar to that in group 2 (0.13±0.02s,0.11±.017s, and 1.21±0.13)(all P0.05). Conclustion QRS prolongation in right precordial leads maybe useful in clinical diagnosis of ARVC,especially in patients with no epsilon waves." @default.
- W2362263325 created "2016-06-24" @default.
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- W2362263325 date "2005-01-01" @default.
- W2362263325 modified "2023-09-27" @default.
- W2362263325 title "Clinical value of localized right precordial QRS prolongation in patients with arrhythmogenic right ventricular cardiomyopathy" @default.
- W2362263325 hasPublicationYear "2005" @default.
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