The nurse is preparing to insert a nasogastric (NG) tube. Which techniques should the nurse use to measure the length of an NG tube before gastric intubation?
a. Measure and mark a point 72 cm (30 inches) from the end.
b. Measure from the nose to the middle of the sternum.
c. Measure from the nose to the ear to the patient's navel.
d. Measure from the nose to the earlobe to the xiphoid process.
D
The nurse measures the patient using the traditional method of measuring from the patient's nose to the ear to the xiphoid process at the bottom of the sternum. A standard 72-cm (30-inch) length for the NG tube fits some patients and not others; thus this method cannot suitably measure all patients. Measuring to the middle of the sternum results in a short tube, especially since the ear is not involved in the measurement. Measuring to the umbilicus results in an overly long tube.
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