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Left ventricular noncompaction associated with a sinoatrial node artery originating from the posterolateral branch of the right coronary artery

Noncompaction of the ventricular myocardium (NVM) is a rare unclassifi ed cardiomyopathy which is characterized by multiple prominent trabeculations and deep intertrabecular recesses. This cardiomyopathy can be isolated or in combination with other congenital cardiac disorders, including coronary artery abnormalities. A 56-year-old female patient presented to the cardiology department with complaints of exertional dyspnoea and chest pain. Transthoracic echocardiography revealed left ventricular dilatation with diff use hypokinesis. Multiple prominent trabeculations with deep inter - trabe cular recesses were observed at the left ventricular apex. Also, coronary angiography demonstrated a sinoatrial node artery originating from the posterolateral branch of the right coronary artery.