Echocardiographic diagnosis of aorto-left ventricular tunnel with supravalvular pulmonic stenosis in a Shih-tzu dog
Background: The aorto-left ventricular tunnel (ALVT) is a congenital extracardiac channel that connects the ascending aorta to the left ventricle.Case Description: A 2-year-old Fan Shop - Licensed Baseball - Novelty Shih-tzu dog presented with mild exercise intolerance.Echocardiography revealed an abnormal slit-like tunnel structure connecting the