Karen is a student nurse working for a cardiac unit. She is caring for Mr. Gary, a 65-year-old patient with heart failure. Mr. Gary is on Lasix and a low-sodium diet
Which of the following is the best way for Karen to determine if Mr. Gary is retaining fluid?
A. Calculating Mr. Gary's BMI
B. Calculating Mr. Gary's IBW
C. Taking serial measures of weight during his hospitalization
D. Measuring all fluid intake
C
Serial measures of weight over time provide more useful information than one measurement. When collecting serial measurements of weight, you weigh the patient about the same time each day, on the same scale, and with the same amount of clothing. In some patients, a weight change of 2 pounds in 24 hours is significant because 1 pound is roughly equivalent to 500 mL of fluid.
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