Medical Surgical Nursing

(Tina Sui) #1

Hypoglycemia



  • Type 1 or type 2 diabetes

  • Blood glucose < 50-60 mg/dL

  • Causes

  • Too much insulin

  • Overdose of oral antidiabetic agents

  • Too little food

  • Excess physical activity

  • May experience S & S of hypoglycemia if there is sudden decrease in BS


 For example, patients who usually have a blood glucose level in the hyperglycemic


range (eg, 200 mg/dL or greater) may feel hypoglycemic (adrenergic) symptoms
when their blood glucose falls rapidly to 120 mg/dL (6.6 mmol/L) or less.
Conversely, patients who frequently have a glucose level in the low range of
normal (eg, 80 to 100 mg/dL) may be asymptomatic when the blood glucose falls
slowly to less than 50 mg/dL.
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