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Right precordial ST depression in a patient with chest pain

Dr. Smith's ECG Blog

New electrocardiographic criteria for posterior wall myocardial ischemia validated by percutaneous transluminal coronary angioplasty model of acute myocardial infarction. About half of patients receiving elective balloon angioplasty of the circumflex will show posterior STE ≥ 1mm. (8-12) Am J Cardiol 2001; 87:970-4; A4. O'Gara et al.

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How does Acute Total Left Main Coronary occlusion present on the ECG?

Dr. Smith's ECG Blog

At the bottom of the post, I have re-printed the section on aVR in my article on the ECG in ACS from the Canadian Journal of Cardiology: New Insights Into the Use of the 12-Lead Electrocardiogram for Diagnosing Acute Myocardial Infarction in the Emergency Department Case 1. Updates on the Electrocardiogram in Acute Coronary Syndromes.