Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (1020 page)

BOOK: Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis
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   Blood glucose normally falls to 50% of fasting level within 20–30 minutes and returns to fasting level within 90–120 minutes.
   Blood glucose that falls <25% and returns rapidly to fasting level represents an increased tolerance to insulin.

Increased In

   Hypothyroidism
   Acromegaly
   Cushing syndrome (peak cortisol response <18–20 μg/dL and change over baseline <7 μg/dL indicate glucocorticoid deficiency)
   DM (some patients; especially older, obese ones)

Decreased In

   Increased sensitivity to insulin (excessive fall of blood glucose)
   Hypoglycemic nonresponsiveness (lack of response by glycogenolysis)
   Pancreatic islet cell tumor
   Adrenocortical insufficiency
   Adrenocortical insufficiency secondary to hypopituitarism
   Hypothyroidism
   von Gierke disease (some patients)

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