A critically ill patient is being treated in a burn unit following a workplace accident. The patient's current treatment includes an intragastric drip of an antacid through a nasogastric tube
How should the critical care nurse most accurately titrate the dose and frequency of administration? A) By assessing the pH of a 24-hour urine sample
B) By aspirating stomach contents and measuring the pH
C) By measuring the pH of urine after each void
D) By swabbing the patient's buccal mucosa and testing for pH daily
B
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For patients with a nasogastric tube in place, antacid dosage may be titrated by aspirating stomach contents, determining pH, and then basing the dose on the pH. Accurate measurement of gastric pH cannot be determined from the buccal mucosa or urine.
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