Abstract
Focal tissue abnormalities consistent with regional ischemia have been reported in patients with hypertrophic cardiomyopathy (HCM).Coronary microvascular dysfunction has been also reported to be present in patients with HCM despite normal epicardial coronary arteries. Moreover, it has been demonstrated that in the case of HCM and idiopathic left ventricular hypertrophy, hypoplastic coronary arteries as diminutive vessels are present and that obstructive hypertrophic cardiomyopathy is associated with enhanced thrombin generation and platelet activation. Previously, it has been described an acute myocardial infarction in a young athlete with non-obstructive hypertrophic cardiomyopathy and normal coronary arteries. We present a case of an acute myocardial infarction with diminutive right coronary artery and obstructive hypertrophic cardiomyopathy without significant coronary stenoses. To our knowledge, this is the first report of an acute myocardial infarction with diminutive right coronary artery and obstructive hypertrophic cardiomyopathy without significant coronary stenoses.
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