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Exotic Animal Formulary5

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Table 10-9

Rabbit Blood Glucose and Sodium Levels as Prognostic Indicators. 65

Physiologic State

Blood

Glucose

Sodium (mEq/L)

Osmolarity a

Tonicity a

(mg/dL)

(mOsm/L)

(mOsm/L)

Normal 76-148 136-147 284-312 278-302

Stress (e.g., handling) 144-180 — — —

Severe disease (e.g.,

enterotoxemia, mucoid

enteropathy, GI obstruction)

360-540 <129 carries a 2.3

times

mortality risk

— —

Diabetes mellitus 540-601 — — —

Calculated tonicity:

Ton (mOsm/L)=2×Na (mEq/L)+glucose (mg/dL)/18

Calculated osmolarity:

P osm (mOsm/L)=2×Na (mEq/L)+glucose (mg/dL)/18+BUN (mg/dL)/2.8

a

Osmolarity and tonicity may be used to differentiate true hyponatremia from pseudohyponatremia (may

occur with hyperlipidemia, severe liver disease, or congestive heart failure).

741

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