释义 |
navigator echo navigator echoa method of respiratory gating which see, used in magnetic resonance imaging to limit respiratory motion artifact; a signal is derived from the top of the diaphragm, and image data are collected only when it is in a selected range.nav·i·ga·tor ech·o (nav'i-gā'tŏr ek'ō) A method of respiratory gating used in magnetic resonance imaging to limit respiratory motionartifact; a signal is derived from the top of the diaphragm, and image data are collected only when it is in a selected range. |