Hypertrophic cardiomyopathy (HCM), an uncommon condition of hypertrophied left ventricular walls, is characterized by diverse cardiac, clinical, and genetic findings. In this combined analysis of patient registries in Italy and the U.S., researchers evaluated the impact of sex on the clinical presentation and outcomes of patients with HCM. Overall, 393 women and 576 men with HCM were enrolled at three institutions, underwent standard …