Abstract
Acute Coronary Syndrome (ACS) is characterized by the suspicion or confirmation of acute ischemia or acute myocardial infarction (MI). The presence of ST segment elevation (STE) consists in the main criterion for indication of immediate reperfusion therapy due to acute coronary occlusion, although significant part of the acute coronary occlusion cases do not fit the ST-segment elevation myocardial infarction (STEMI) criteria.A case report of a 50 year-old male presenting typical anginal pain, whose electrocardiogram (EKG) presented Aslanger's pattern. The patient had severe lesion of the left anterior descending artery (ADA) and chronic occlusion of the right coronary artery on cardiac catheterization, with important collateral flow from branches of the left coronary artery to the right coronary artery.The dichotomy between STEMI and Non-ST segment elevation myocardial infarction (NSTEMI) must be contested, owing to the evidence that one third of the NSTEMI patients presents a total coronary occlusion. There are other electrocardiographic patterns which must be considered to diagnose ACS. Our case report outlines a different clinical presentation of Aslanger pattern, that shows a ADA acute occlusion, instead of the lesion being in the right coronary system.There is evidence that, in addition to the STEMI vs NSTEMI criteria, the Aslanger pattern and other electrocardiographic patterns characterize occlusive ACS. Recognizing those patterns in clinical practice is essential to improve the diagnosis and early treatment of patients with ACS.
Published Version
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