Abdelhameed Elsayed, H. Kheirallah, Abdulaziz Alsuwayh, Ibrahim Osman
{"title":"Electrocardiographic Patterns and Ejection Fraction in Patients with\u0000Nonischemic Dilated Cardiomyopathy: A Cross-Sectional Retrospective Study","authors":"Abdelhameed Elsayed, H. Kheirallah, Abdulaziz Alsuwayh, Ibrahim Osman","doi":"10.2174/0102506882297515240320040938","DOIUrl":"https://doi.org/10.2174/0102506882297515240320040938","url":null,"abstract":"\u0000\u0000The relationship between ECG changes in dilated nonischemic cardiomyopathy and ejection fraction (EF) is complex and poorly understood. Thus,\u0000this study aimed to identify the most common patterns of ECG associated with dilated nonischemic cardiomyopathy and their relationship to EF.\u0000\u0000\u0000\u0000A retrospective cross-sectional study was conducted between 2019 and 2022, including 100 consecutive patients with nonischemic dilated\u0000cardiomyopathy. ECG data were rate, axis, left (LBBB) and right bundle branch block (RBBB), first-degree heart block, premature ventricular\u0000contractions, depth of S wave in leads V1 and V2, length of R wave in leads V2 and V6, the ratio of R/S in the lead V4, left ventricular\u0000hypertrophy (LVH), maximum R wave length in leads I, II, and III, poor R wave progression, ST-segment elevation, and T wave inversion.\u0000\u0000\u0000\u0000The most common ECG pattern associated with cardiomyopathy was T-wave inversion (47%). The EF was 23.9± 8.87% in patients with LBBB\u0000and 25.5± 8.07% in patients without LBBB (P= 0.361). In patients with T-wave inversion, the EF was 23.4± 8.21%, and it was 26.28± 8.35% in\u0000patients without T-wave inversion (P= 0.086). In patients with LVH, the EF was 23.89± 7.84%, and it was 25.5± 8.66% in patients without LVH\u0000(P= 0.354). A negative nonsignificant correlation existed between SV1, SV2, RV2, RV6, R/S V4, and maximum R in I, II, III, and EF.\u0000\u0000\u0000\u0000The study showed that T-wave inversion was the most common pattern associated with dilated nonischemic cardiomyopathy. The study provided\u0000insight into the negative correlation between EF and SV1, SV2, RV2, RV6, R/S V4, and maximum R in I, II, and III, although it did not reach a\u0000significant level.\u0000","PeriodicalId":508641,"journal":{"name":"New Emirates Medical Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140374204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}