Case Report

Successful Use of Renal Replacement Therapy for Refractory Hypokalemia in a Diabetic Ketoacidosis Patient

Table 1

Timeline of selected laboratory values and treatments in our patient.

Hours post admissionCorrected sodium (mEq/L)Potassium (mEq/L)BUN (mg/dL)Creatinine (mg/dL)Magnesium (mg/dL)Arterial pH

01213.0321.552.97.14
Administration of IV 50 mEq KCl, 1000 ml NaCl
51233.1281.112.57.09
Administration of IV 290 mEq KCl, 250 mEq NaHCO3
181512.9291.112.67.05
Initiation of hemodialysis with 4 mEq/L K-dialysis bath, 220 ml of positive fluid balance
251473.6210.872.47.47
Administration of IV insulin 4 U/h, 40 mEq KCl, 30 mmol K-Phos
291462.6180.862.07.43
Initiation of CVVH, 1,550 ml of positive fluid balance
321413.4211.051.97.39
401454.1160.882.17.39