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Korean Circ J. 2012 Jan;42(1):50-3. doi: 10.4070/kcj.2012.42.1.50. Epub 2012 Jan 31.

A Case of Acute Myocardial Infarction With ST-Segment Elevation in a Lead Augmented Right Vector Caused by a Left Main Coronary Artery Vasospasm.

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  • 1Division of Cardiovascular Medicine, Department of Internal Medicine, Dankook University College of Medicine, Cheonan, Korea.


Diagnosing and selecting an appropriate treatment strategy for left main coronary artery (LMCA) obstruction is very important. Although this disease is not frequently encountered, it can cause severe hemodynamic deterioration resulting in a less favorable prognosis without a suitable management approach. Another aspect of LMCA that we must not overlook is coronary artery spasm, which can be an infrequent but important cause of acute coronary syndrome. Although it is rare, LMCA can cause critical complications. In this study, we report the case of a 35-year-old female who was admitted to the hospital with a diagnosis of acute myocardial infarction with ST-segment elevation in the aVR lead caused by a left main coronary spasm that was examined on intravascular ultrasound.


Acute coronary syndrome; Coronary artery vasospasm; Electrocardiography

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