6/27/2023 0 Comments Nonspecific ivcd with lad11 The diagnostic criteria for LBBB comprised the following: 1) QRS duration LBBB, RBBB, NS-IVCD and fascicular conduction block were defined and diagnosed inĪccordance with the Minnesota codes and 2009 American Heart Association/AmericanĬollege of Cardiology Foundation/ Heart Rhythm Society (AHA/ACCF/HRS) recommendations. The reporting of this research conforms to the STROBE guidelines. Written informedĬonsent was obtained from each participant during recruitment for the ChinaĪtrial Fibrillation Epidemiologic Study. This research protocol (approval number: D111107300035). 9 The ethics committee of Beijing Anzhen Hospital approved Matched from the database of the China Atrial Fibrillation Epidemiologic Medical history, lifestyle factors and laboratory tests were identified and In our present retrospective study, allĮlectrocardiograms with QRS duration ≥120 ms were extracted from the databaseĪnd analysed by a professional cardiologist, then the results were checked byĪnother professional cardiologist. All 42,031 digital electrocardiograms were 9 Among the 47,841 participants, 42,031 (87.9%) people completed a standardġ2-lead electrocardiogram (ECG). 9 The details of the sampling methods were described previously. Briefly, a representative sample of 47,841Īdults (age ≥45 years) from the general population in China was obtained throughĪ two-stage, stratified cluster sampling design. The China Atrial Fibrillation Epidemiologic Study was a cross-sectional study
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