nil per os

短语

英文释义

短语
  1. Nothing by mouth: Nothing may be eaten or drunk.
    — The initial written orders should include: insulin dosage to be administered as soon as the patient appears nil per os, measure all intake and output, and obtain venous blood for measurement of blood or serum urea nitrogen, glucose, acetone [...] and phosphorus.

词源

From Latin nīl (“nothing”) + per (“by means of”) + ōs (“mouth”), literally “nothing by mouth”.
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