Study of Conduction Blocks in Acute Myocardial Infarction
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Date
2018-03
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Society for Health Care & Research Development
Abstract
Background: Acute Coronary syndromes (ACS) represent a global epidemic. With increase in prevalence of risk factors such as obesity, diabetes and others, there is parallel increase in the incidence of ACS. Which may manifest itself either as acute myocardial infarction (AMI), unstable angina, effort angina or sudden death? Among these the most life threatening is AMI and its associated complications. Conduction blocks occurs in about 15-20% of patients with acute MI. Methods: The study was conducted on 100 patients of Acute Myocardial Infarction attending OPD/ admitted in Dept. of Medicine/ ICCU of Rajindra Hospital, Patiala over a period of one Year. Complete clinical examination was done and all the necessary investigations as per case requirement were sent. The patients were observed for conduction blocks for 7 days after the admission or until they stay in the hospital whichever was earlier. Result: Out of 100 patients, 21 patients developed conduction blocks. Eight patients (8%) developed first degree AV block, One patient developed mobitz type -2 second degree AV block, 4 patients (4%) developed third degree AV block, 2 patients (2%) developed complete LBBB, 2 Patients (2%) developed LAHB. Overall cardiovascular complications were more in patient with conduction block. The conduction blocks were more common among patients with inferior wall MI than anterior wall MI. The occurrence of cardiogenic shock was more in patients with conduction block. Mortality was higher in patients with block (19.1%) as compared with patients without block (2.5%). Conclusion: Conduction blocks are associated with higher in hospital mortality and morbidity in the form of other cardiovascular events during hospital stay, thus conduction blocks are important predictors of poor outcome in patients with AMI. All patients with AMI should be watched carefully for early recognition of conduction blocks and appropriate treatment should be started early
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Kumar Vijay, Goyal Sanjay, Kumar Sanjeev, Mirnal. Study of Conduction Blocks in Acute Myocardial Infarction. Annals of International medical and Dental Research. 2018 Mar; 4(2): 20-24