OIRD


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OIRD

object-film distance. Distance from the radiographic film to the object being radiographed.
References in periodicals archive ?
(27) Therefore, respiratory rate is not a reliable indicator of OIRD: a respiratory rate of less than 12 breaths per minute indicates respiratory depression, but a rate greater than 12 does not signify its absence.
Pulse oximetry cannot reliably detect OIRD because oxygen levels can remain high while C[O.sub.2] accumulates--especially if the patient is receiving oxygen therapy.