title: Usefulness of Doppler echocardiography for determining hemodynamic improvement with intravenous verapamil in hypertrophic cardiomyopathy.
mesh_terms: D000293:Adolescent; D001783:Blood Flow Velocity; D001794:Blood Pressure / Q000187:drug effects; D002312:Cardiomyopathy, Hypertrophic / Q000188:drug therapy* / Q000503:physiopathology; D004452:Echocardiography / Q000592:standards*; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006439:Hemodynamics / Q000187:drug effects*; D006801:Humans; D007275:Injections, Intravenous; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D014700:Verapamil