Protein-calorie malnutrition Quiz: Ace Your Exams
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A 62-year-old man with a history of chronic obstructive pulmonary disease (COPD) presents to the primary care clinic for a follow-up appointment. The patient has not followed up in the clinic for the past five years and is not currently taking any medications. He shares that he has been eating less food over the past 10 days because he has had mild abdominal pain but no bloating or diarrhea. He feels generalized weakness and fatigue. He was eating his usual amount of food before that. Body mass index five years ago was 25.1 kg/m2,, and it is 22.7 kg/m2 today. Specifically, he went from weighing 160 lbs (72.6 kg) 5 years ago to 145 lbs (65.8 kg) now; he is 5 foot 7 inches tall (1.7 meters). Vital signs are unremarkable. On physical examination, the patient has temporal wasting and poor muscle mass. Oropharyngeal examination is unremarkable. Which of the following confirms the diagnosis of protein-calorie malnutrition in this patient?
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