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A 60-year-old man with a history of COPD and old TB is seen with mild hemoptysis and chronic cough. He is HIV negative and has been

asked 2017-05-06 04:19:14 -0500

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ill for about 2 wk. Vital signs: pulse 110 bpm; temperature 101°F; respirations 24/min; blood pressure 108/70 mm Hg. No skin lesions are noted. Laboratory data: Hb 14 g/dL; HCA 42%; WBCs 8.7/μL; BUN 24 mg/dL; creatinine 0.8 mg/dL; sodium 131 mEq/L; potassium 4.3 mEq/L. ABGs on RA: pH 7.37; PCO2 43 mm Hg; PO2 87 mm Hg. Sputum tests reveal numerous AFBpositive organisms on smear. Spirometry shows an obstructive ventilatory impairment with marginal reversibility. CXR is shown in Fig. 14. Among the choices listed, the most likely diagnosis is

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a. Lung abscess

b. Non-TB mycobacteria

c. Actinomycosis

d. Aspiration pneumonia

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answered 2017-05-06 07:36:06 -0500

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Asked: 2017-05-06 04:19:14 -0500

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Last updated: May 06 '17