title: Echocardiographic features of primary pulmonary hypertension.
mesh_terms: D000328:Adult; D006328:Cardiac Catheterization; D006332:Cardiomegaly / Q000150:complications; D003937:Diagnosis, Differential; D004452:Echocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006346:Heart Septum; D006352:Heart Ventricles; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve; D008946:Mitral Valve Stenosis / Q000175:diagnosis*