The MKSAP Challenge
A 62-year-old woman is evaluated because of abnormal results on chest radiograph. She smokes one pack of cigarettes per day, with a 50-pack-year history. She has a morning cough productive of small amounts of yellow sputum. She has hypertension, for which she takes metoprolol, and type 2 diabetes mellitus, which is managed with diet and metformin therapy.
Her body mass index is 30. Her blood pressure is 145/90 mm Hg. Chest radiograph shows a 1.5 cm nodule in the left upper lobe; no previous radiographs are available for comparison.
Which of the following should be measured before sending this patient for a positron emission tomography scan to evaluate the nodule?
A. Serum sodium.
B. Blood pressure.
C. Serum creatinine.
D. Serum glucose.
Internist Archives Quick Links
Internal Medicine Meeting Early Registration Discount
Register early for Internal Medicine Meeting 2015 in Boston, MA to lock in the lowest possible rate. Learn more or register now!
Are You Using ACP Smart Medicine®?
This online clinical decision support tool is a FREE benefit of ACP membership delivering point-of-care access to evidence-based recommendations. Includes more than 500 modules, images and reference tables. Start now or watch the video tour.