Why the study?
Coronary artery disease is a leading cause of mortality worldwide and in Pakistan, prompting the comparison of the frequency of left main stem disease among patients presenting with ST elevation in lead aVR.
ST elevation in lead aVR is a strong indicator of left main stem disease, with diabetic status significantly affecting this association.
ST elevation in aVR may indicate left main disease more often in diabetics; hypothesis-generating and should not change practice without validation.
Background: Coronary artery disease (CAD) is one of the leading causes of mortality worldwide with similar prevalence in Pakistan. The main objective of the study is to compare the frequency of left main stem disease among patients with STelevation in aVR. Methods:This cross-sectionalstudywas conducted inDepartment of cardiology,Punjab institute of cardiology,Lahore. Sample size of 151 cases is calculated with 95% confidence level,7%margin of error and taking expected percentage of LMS is 74.2%. The data was collected through non probability consecutive sampling technique. Results: Mean age of the study population was 55.54±10.1 years. Majority of the cases were male 117(77.5%)and 34(22.5%) were female which were less in quantity. Mean body mass index was 28.61±2.58. Conclusion: Majority of the cases developed left mainstem disease who have been diagnosed with STelevation in aVR. A significant difference of the diabetic versus non diabetic was observed who have been noted for LMS disease.
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Siddiqi et al. (2023) studied this question.
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