
Keywords: مسیر خروج بطن چپ; cardiopulmonary test; echocardiography; heart failure; hypertrophic cardiomyopathy; CI; confidence interval; CPET; cardiopulmonary exercise test; E/E'; early diastolic velocity ratio; HCM; hypertrophic cardiomyopathy; HR; heart rate; LV; left ventricular