title: Pulsed Doppler echocardiography in diagnosis of pulmonary regurgitation: its value and limitations.
mesh_terms: D000328:Adult; D000792:Angiography; D003937:Diagnosis, Differential; D004452:Echocardiography / Q000379:methods*; D006801:Humans; D007201:Indicator Dilution Techniques; D009862:Online Systems; D011665:Pulmonary Valve Insufficiency / Q000175:diagnosis*