Primary pulmonary hypertension.
D000293:Adolescent; D000328:Adult; D000925:Anticoagulants / Q000627:therapeutic use; D006328:Cardiac Catheterization; D002318:Cardiovascular Diseases / Q000150:complications; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis* / Q000188:drug therapy / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009206:Myocardium / Q000473:pathology; D011651:Pulmonary Artery / Q000473:pathology; D013902:Radiography, Thoracic; D014043:Tolazoline / Q000627:therapeutic use
D000925:Anticoagulants; D014043:Tolazoline