Angioscan: a spectrum analyser for use with ultrasonic Doppler velocimeters.
D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D001783:Blood Flow Velocity; D006349:Heart Valve Diseases / Q000503:physiopathology; D006801:Humans; D013057:Spectrum Analysis / Q000295:instrumentation*; D014463:Ultrasonography