Blood Glucose Control in Critical Illness

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Questions and Answers

What is the suggested target blood glucose range for general medical and surgical patients?

  • 5-9 mmol/l
  • 8-12 mmol/l
  • 7-11 mmol/l
  • 6-10 mmol/l (correct)

Which patient group may benefit from intensive insulin therapy without increasing the risk of hypoglycemia?

  • Patients with acute stroke and cardiac surgery (correct)
  • Patients with chronic microvascular complications
  • General medical and surgical patients
  • Patients with long-standing diabetes

What is the recommended approach for patients with long-standing diabetes who may have significant end-organ damage?

  • Fixed target blood glucose concentration
  • Tight glycemic control
  • Continuous intravenous insulin infusion
  • Individualized approach (correct)

Why is continuous intravenous insulin infusion preferred in intensive care units?

<p>It is the most precise and effective method of glycemic control (D)</p> Signup and view all the answers

Why should insulin dosing in intensive care units be approached with caution?

<p>It may lead to hypoglycemia (B)</p> Signup and view all the answers

What is the primary concern when adjusting insulin doses in intensive care units?

<p>Preventing hypoglycemia (D)</p> Signup and view all the answers

What triggers the release of stored glucose into the bloodstream in ICU patients?

<p>Acute stress response (D)</p> Signup and view all the answers

What is the consequence of prolonged hyperglycemia in critically ill patients?

<p>Immunosuppression and increased risk of infection (B)</p> Signup and view all the answers

What is the advantage of using continuous insulin infusions with an insulin algorithm?

<p>It enables rapid assessment of changes in insulin dosing and nutrition (D)</p> Signup and view all the answers

What is the starting point for the development of a correctional subcutaneous insulin regimen?

<p>0.1-0.14 units per gram of total daily insulin (C)</p> Signup and view all the answers

How often should blood glucose levels be monitored to enable timely adjustments in insulin dosage?

<p>Every 1-2 hours (D)</p> Signup and view all the answers

What is the protocol for titrating insulin dosage according to changes in nutritional intake?

<p>Administering 1-2 U of insulin for every 10 g of glucose infused (C)</p> Signup and view all the answers

What is the definition of tight glycemic control?

<p>A glucose concentration of 80-110 mg/dl (B)</p> Signup and view all the answers

What is the challenge associated with achieving tight glycemic control?

<p>All of the above (D)</p> Signup and view all the answers

What is the consequence of inaccurate insulin infusion rates?

<p>Fluctuations in blood glucose and/or an increase in hyperglycemia (D)</p> Signup and view all the answers

What is the reason for high blood glucose levels unrelated to an acute change in nutritional intake?

<p>Increased insulin resistance (C)</p> Signup and view all the answers

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