Abstract Background: The Noonan syndrome (NS) is a rare genetic disorder characterized by manifestations such as short stature, a webbed neck, micrognathia, and hypertelorism. Although NS predisposes to cardiac disorders such as hypertrophic cardiomyopathy (HCM), it has only rarely been associated with noncompaction cardiomyopathy (NCCM), an embryonic anomaly defined by excessive trabeculation and formation of deep myocardial recesses. The clinical presentation of NCCM ranges from asymptomatic to severe thromboembolic events. This study aims to describe cardiovascular changes and outcomes in […]