certified respiratory therapist
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cer·ti·fied res·pi·ra·to·ry ther·a·pist
(CRT) (sĕr'tĭ-fīd res'pir-ă-tōr-ē thār'ă-pist)A health care professional, generally holding an associate's degree, who is licensed at the state level to treat patients with various lung disorders using modalities that include mechanical devices and is also trained in the use of associated testing apparatus.
certified respiratory therapist
,CRT
An entry-level respiratory care practitioner who has passed the examination offered by the National Board for Respiratory Care.