A 60-year-old woman presents with complaints of fatigue and…

A 60-year-old woman presents with complaints of fatigue and easy bruising. Her CBC showed anemia, thrombocytopenia, and an elevated white blood cell count of predominantly circulating myeloblasts. Flow cytometry confirmed an AML. While her bone marrow is being examined by cytogenetic testing, FISH testing, and gene mutation testing, a plan is made to start high intensity chemotherapy. Further peripheral blood testing revealed:    Patient Result Reference Interval Na (sodium) 140 mmol/L 132-141 mmol/L K (potassium) 4.9 mmol/L 2.7-4.9 mmol/L Cl (chloride) 96 mmol/L 94-102 mmol/L HCO3 (bicarbonate) 25 mmol/L 24-31 mmol/L BUN (blood urea nitrogen) 27 mg/dL 8-27 mg/dL SCr (serum creatinine) 1.2 mg/dL 0.6-1.8 mg/dL Alb (albumin) 4 g/dL 2.5-4.2 g/dL Ca (calcium) 10.7 mg/dL 10.7-13.4 mg/dL Phos (phosphate) 5.4 mg/dL 1.9-5.4 mg/dL UA (uric acid) 0.5 mg/dL < 0.5 mg/dL LDH (lactate dehydrogenase) 1620 mmol/L 520-1480 mmol/L  Which of the following do you order next?