half-normal saline

a solution of 0.45% NaCl used for mucosal hydration. As the water in the solution evaporates, the saline concentration increases, achieving nearly normal saline concentration in the respiratory tract.

half-nor·mal sa·line

(haf-nōrmăl sā-lēń)

An intravenous solution containing sodium chloride at about half the concentration found in blood.

References in periodicals archive ?

Normal saline was used most often (80% of cases), followed by half-normal saline (12%), and the median administered volume was 1,000 mL.

IV fluid use in heart failure raises risks

Prehydration with intravenous half-normal saline was compared with prehydration with normal saline in a large, randomized trial, and the results favored normal saline for CIN prophylaxis.

Prevention of contrast-induced nephropathy: the rational use of sodium bicarbonate

With dextrose on board, a switch to half-normal saline is warranted.

Walking the DKA tightrope

Single studies have suggested that isotonic saline is associated with less risk than half-normal saline, and hydration with fluids containing sodium bicarbonate is more efficacious than those containing isotonic saline (SOR: B, single randomized controlled trial [RCT]).

What interventions reduce the risk of contrast nephropathy for high-risk patients?

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