Primary pulmonary hypertension.
D003937:Diagnosis, Differential; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis* / Q000209:etiology; D008297:Male; D014652:Vascular Diseases / Q000175:diagnosis