title: Range-gated Doppler ultrasound: a review of its utility in clinical cardiology.
mesh_terms: D001024:Aortic Valve Stenosis / Q000175:diagnosis; D001783:Blood Flow Velocity; D002648:Child; D003326:Coronary Circulation; D004301:Doppler Effect; D004452:Echocardiography / Q000379:methods; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans