FVH Kleintiere Practice Questions - Fachtierarzt FVH Für Kleintiere (Switzerland) Exam

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A 7-year-old male neutered Golden Retriever with diabetes mellitus treated with NPH insulin (0.8 U/kg SC q12h) presents for persistent polydipsia and polyuria. A serial blood glucose curve shows blood glucose dropping from 18 mmol/L at hour 0 to 2.8 mmol/L at hour 4, followed by a rise to 24 mmol/L at hour 10. What phenomenon is occurring, and what is the appropriate management?

True insulin resistance; increase the NPH insulin dose by 25% to sustain glucose control through hour 12 Short duration of insulin action; switch immediately to regular insulin administered three times daily Somogyi phenomenon (rebound hyperglycemia); decrease the insulin dose by 20-30% and repeat the curve in 7-10 days Diabetic ketoacidosis; hospitalize for immediate continuous intravenous insulin infusion and bicarbonate therapy

Correct Answer:

Somogyi phenomenon (rebound hyperglycemia); decrease the insulin dose by 20-30% and repeat the curve in 7-10 days

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