Medical Case Details:
Chief Complaints: Acute abdominal pain, nausea, and vomiting for two days.
On Examination: HR: 103 beats/minute, RR: 16 BP: 118/68 mm Hg, Urine: Unable to void freely, voided only 200 mL in a day.
Laboratory Investigations - Urea 56 mg/dL, Cr 3.6 mg/dL, Ca 7.7 mg/dL, GFR 47 mL/min/m2, Phos 4.8 mg/dL, K 5.5 mEq/L, and Mg 1.4 mg/dL. Suggest a treatment for the patient.