DKA vs. HHNS Flashcards
Can occur in type 1 or type 2; most common in T1DM
DKA
Can occur in type 1 or type 2; most common T2DM; especially older pt with T2DM
HHNS
Omission of insulin; Physiologic stress (infection, surgery, stroke, MI)
DKA
Physiologic stress (infection, surgery, stroke, MI)
HHNS
Onset: rapid (<72hrs)
DKA
Onset: slower (over several days)
HHNS
Blood Glucose Level:
usually >250mg/dl (>13.9mmol/L)
DKA
Blood Glucose Level:
Usually >600mg/dl (>33.3mmol/L)
HHNS
Arterial pH level: <7.3
DKA
Arterial pH level: normal
HHNS
Serum and Urine Ketones: (+)
DKA
Serum Osmolality: 300-350mOsm/L
DKA
Serum and Urine Ketones: (-)
HHNS
Serum Osmolality: >350mOsm/L
HHNS
Plasma bicarbonate: Normal
HHNS
Plasma bicarbonate: <15mEq/L
DKA
BUN and Creatinine: elevated
DKA and HHNS
Mortality rate: 1% - 5%
DKA
Mortality rate: 10% - 20%
HHNS