title: [Measurement of cardiac output by the pulsed Doppler blood velocity meter during operations].
mesh_terms: D000328:Adult; D000368:Aged; D001783:Blood Flow Velocity / Q000379:methods*; D002302:Cardiac Output; D006801:Humans; D008875:Middle Aged; D013514:Surgical Procedures, Operative; D013815:Thermodilution; D014465:Ultrasonics