[Answered]: a patient in emergency department a 4-day history…

a patient in emergency department a 4-day history of nausea and vomiting. which action would the nurse perform first based on the information provided? History: 65 year old male hypertension and osteoarthritis , prescriptions: ondansetron 4 mg IV pyelogram q6 hours prn, Lisinopril 10mg PO qd, furosemide 20 mg PO qd, Prochlorperazine 5 mg PO q 6 hours PRN , Acetaminophen 650 mg PO q 4 hours PRN, IV Fluids D5NS with/20 mEq KCI @125 mL/hour