BONUS QUESTION:A 52-year-old man is brought to the emergency…
BONUS QUESTION:A 52-year-old man is brought to the emergency department for progressive confusion over the past 48 hours. He is otherwise healthy and takes no medications. His temperature is 100.6°F (38.1°C), blood pressure is 138/78 mmHg, pulse is 72/min, and respirations are 18/min. Examination reveals an ill-appearing man. He is drowsy but arousable. He is oriented to person, but not to place or time, and has no focal neurological deficits. Results of initial laboratory studies include: Hemoglobin: 8.2 g/dlHematocrit: 26%Leukocyte count: 11,500/mm^3 with normal differentialPlatelet count: 30,000 Peripheral blood smear: (see image) Na+: 142 mEq/LCl-: 98 mEq/ K+: 4.9 mEq/LHCO3-: 22 mEq/LUrea nitrogen: 45 mg/dlGlucose: 112 mg/dlCreatinine: 2.2 mg/dl Which of the following is the most appropriate treatment in this patient?