单词	preoperative
释义	preoperative /priːˈɒp(ə)rətɪv / adjective Denoting, administered in, or occurring in the period before a surgical operation.A nurse practitioner performs the preoperative history and physical examination.... A nasogastric tube was placed, and preoperative antibiotics were administered. Prevention of postoperative infection begins in the preoperative period. Derivatives preoperatively adverb ... As a result, all women who are considered at risk for possible pregnancy are instructed to have a pregnancy test performed preoperatively. All patients routinely receive a prophylactic dose of intravenous antibiotics preoperatively. The use of aspirin preoperatively is shunned by surgeons in noncardiac surgery.
随便看	breaking cart breaking news breaking point break into break in two breakneck break new (or fresh) ground break of day break off break of serve break one's back break one's duck break one's neck to do something break (one's) stride break (or informal kick) the habit break (or keep) faith break out breakout break out in break point breakpoint break rank break rank (or ranks) breaks break ship

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