Which finding for a patient with an eating disorder most clearly indicates the need for hospitalization?
a. Weight 15% below ideal weight
b. Urine output less than 30 mL/hr
c. Serum potassium 3.4 mEq/L
d. Pulse rate 54 beats/min
B
Severely reduced urinary output indicates dehydration, reduced kidney function, or retention caused by cardiac malfunction. Many normal people have bradycardia. Weight loss of more than 30% of ideal body weight would call for hospitalization. This potassium level is within the normal range.
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