respiratory gating


respiratory gating

any technique that derives a signal from breathing to trigger an electronic circuit, such as for data collection during expiration.
See also: navigator echo.

res·pi·ra·to·ry gat·ing

(res'pir-ă-tōr-ē gāt'ing) Any technique that derives a signal from breathing to trigger an electronic circuit, such as for data collection during expiration.
See also: navigator echo

respiratory gating

Medical image information consistently collected during a specific phase of respiration. It is used in radiation oncology to minimize the exposure of tissues around a tumor to radiation, while maximizing the dosage given directly to the tumor. See also: gating