Mr. Cooper, age 65, is a widower and lives alone. He is lethargic with hyperreflexic deep tendon reflexes. He had been in his usual state of good health until this week, and has no significant health history other than mild hypertension, which is being treated with diet and exercise. He takes no medications, other than a daily multivitamin. He has been vomiting persistently for 3 days with watery diarrhoea, and a relative brought him to the hospital. On admission, he weighed 69.8kg. He states that his usual weight is 75 kg. You note that his mucous membranes and skin isdry. His temperature is 37.6° C, pulse 112, respirations 32, blood pressure 110/88, and urine output in 8 hours 125 mL with a specific gravity of 1.032. Electrolyte findings were serum K+ 3.5 mEq/L; Na+ 159 mEq/L; and Cl- 120 mEq/ L. Mr Cooper has a a peripheral IV q6h IV fluids for rehydration therapy.
What do you, as the enrolled nurse, anticipate to be the priority nursing and multi-disciplinary interventions for Mr. Cooper?