Value and limitations of contrast echocardiography in cardiac diagnosis.
D006328:Cardiac Catheterization; D004452:Echocardiography / Q000379:methods; D006331:Heart Diseases / Q000175:diagnosis*; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis; D006349:Heart Valve Diseases / Q000175:diagnosis; D006801:Humans