Review Question - QID 213626

A 55-year-old man presents to his primary care physician for a general checkup. The patient states he feels well and has no complaints. The patient has never had reliable follow-up with a physician and has no known diagnoses. He drinks alcohol frequently and admits to using IV drugs occasionally. His temperature is 97.9°F (36.6°C), blood pressure is 122/82 mmHg, pulse is 77/min, respirations are 15/min, and oxygen saturation is 98% on room air. The patient’s abdominal exam is notable for mild splenomegaly and the finding in Figure A. Laboratory values are ordered as seen below.

Hemoglobin: 13.0 g/dL
Hematocrit: 39%
Leukocyte count: 7,900/mm^3 with normal differential
Platelet count: 17,000/mm^3

Serum:
Na+: 140 mEq/L
Cl-: 100 mEq/L
K+: 4.3 mEq/L
HCO3-: 24 mEq/L
BUN: 20 mg/dL
Glucose: 93 mg/dL
Creatinine: 1.3 mg/dL
Ca2+: 10.2 mg/dL

Which of the following is appropriate management of this patient?