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" Electrocardiographic characteristics of posterior myocardial infarction in comparison to angiographic findings "
/الهام نیری ترشیزی
; Hasan Shemirani
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Isfahan University of Medical Sciences
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| Document Type
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Latin Dissertation
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| Language of Document
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English
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| Record Number
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103446
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| Doc. No
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T15069
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WG,300,N331e,2014
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| Main Entry
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Nayeri Torshizi, Elham
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| Title & Author
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Electrocardiographic characteristics of posterior myocardial infarction in comparison to angiographic findings/الهام نیری ترشیزی
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| College
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Schools, Medical
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| Date
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, 2014
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| Degree
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Cardiology, Speciality
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16 p.: tab.
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| Note
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This thesis is a research project with project ID: 392360
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| Abstract
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Background: Myocardial infarction (MI) is a cardiac cell death following the imbalance of supply and demand. Electrocardiography (ECG) is a diagnostic test for MI and can help the clinicians to estimate the severity and size of infarction, to suggest the artery related to the infarct and localize the pathology. The aim of the current study is to evaluate the diagnostic value of ECG in posterior MI (PMI) in comparison to angiographic findings.Methods: In a prospective observational study, using simple sampling patients with diagnosis of PMI (ST elevation in at least two consecutive leads V7, V8 and V9) were enrolled and all standard 12 leads and also V7, V8, V9 and right leads including V3R and V4R were recorded and angiography was performed. ECG changes were recorded and compared with angiography findings. Results: In this study 138 patients were enrolled (mean+/-SE age of 65.00+/-1.10 and 76.8 percent male). Left circumflex artery (LCX), right coronary artery (RCA) and left anterior descending artery (LAD) occlusions occurred in 65.9 percent, 50.7 percent and 29 percent respectively. Patients with LCX occlusion had a significantly higher frequency of ST elevation in V5, V6, I and AVL (P=<0.001). Patients with RCA occlusion had a significantly higher frequency of ST elevation in V1, V3R and V4R and also ST depression in V5 and V6 (P=<0.001). Conclusion: In PMI, there is a relationship between ECG findings and different coronary artery occlusions. So that ECG is a useful tool to predict the LCX or RCA occlusion in PMI.
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| Descriptor
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1. Myocardial Infarction.- Descriptors: Myocardial Infarction
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Angiography
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Coronary Vessels
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Electrocardiography
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| Added Entry
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Shemirani, Hasan, Supervisor
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| Translated Title Supplied by Cataloguer
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بررسی ارزش تشخیصی ECG در انفارکتوس حاد خلفی در مقایسه با یافتههای آنژیوگرافی
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