Table 3.

Laboratory Monitoring During DKA

Blood glucose:At presentation, then hourly
By fingerstick with glucose meter; a level of >500 mg/dL requires laboratory confirmation
Urine glucose and acetone:At presentation and with each void
If urinary catheter is placed, obtain hourly
Serum sodium and potassium:At presentation, then at 4- to 6-h intervals
Acid/base status:At presentation, then at 2- to 4-h intervals. Venous pH and serum carbon dioxide
  • Serum urea nitrogen, complete blood count, acetone, and appropriate cultures can be obtained at presentation.