Impedance plethysmography.
D001775:Blood Circulation; D005121:Extremities / Q000098:blood supply; D005385:Fingers / Q000098:blood supply; D006439:Hemodynamics; D006801:Humans; D008722:Methods; D009991:Oscillometry; D010992:Plethysmography, Impedance / Q000295:instrumentation; D014034:Toes / Q000098:blood supply