This chapter will review the American Diabetes Association Practice Guidelines on diabetic ketoacidosis (DKA) and hyperosmolar hyperglycemic state (HHS).
Introduction
DKA and HHS are the two most serious acute complications of diabetes.
Diagnosis criteria ( table 6.1 )
Table 6.1
NORMAL | DKA | HHS | |||
MILD | MODERATE | SEVERE | |||
Plasma glucose (mg/dL) | 140–180 | >250 | >250 | >250 | >600 |
Arterial pH | 7.38–7.44 | 7.25–7.30 | 7.00 to <7.24 | <7.00 | >7.30 |
Serum bicarbonate (mEq/L) | 24–32 | 15–18 | 10 to <15 | <10 | >18 |
Urine ketones a | Negative | Positive | Positive | Positive | Small |
Serum ketones | Negative | Positive | Positive | Positive | Small |
Effective serum osmolality (mOsm/kg) | 285–295 | Variable | Variable | Variable | >320 |
Anion gap | <12 | >10 | >12 | >12 | Variable |
Mental status | Alert | Alert | Alert/Drowsy | Stupor/Coma | Stupor/Coma |