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| Parameter | Criteria for HHS |
|---|---|
| Plasma Glucose | > 600 mg/dL (33.3 mmol/L) |
| Arterial pH | > 7.30 |
| Serum Bicarbonate | > 18 mEq/L |
| Urine/Serum Ketone | Absent or Small |
| Effective Serum Osmolality | > 320 mOsm/kg |
| Mental Status | Stupor / Coma |
Hyperglycemic crises in adult patients with diabetes.
HHS is often associated with a fluid deficit of 100-200 mL/kg (averaging 9 Liters). Fluid replacement is the absolute priority over insulin initiation.