Pulmonary hypertension.
D001794:Blood Pressure; D006348:Cardiac Surgical Procedures; D006330:Heart Defects, Congenital / Q000150:complications*; D006344:Heart Septal Defects, Atrial / Q000601:surgery; D006345:Heart Septal Defects, Ventricular / Q000601:surgery; D006632:Histamine / Q000009:adverse effects; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology* / Q000601:surgery; D000860:Hypoxia / Q000209:etiology; D008168:Lung / Q000033:anatomy & histology / Q000098:blood supply / Q000502:physiology; D008946:Mitral Valve Stenosis / Q000601:surgery; D011651:Pulmonary Artery / Q000503:physiopathology; D011667:Pulmonary Veins / Q000503:physiopathology; D012701:Serotonin / Q000009:adverse effects; D014655:Vascular Resistance
D012701:Serotonin; D006632:Histamine