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The physician orders a Lidocaine drip to infuse at 2 mg/min. The drug is available as 2 gm in 500 ml of fluid. Solve for ml/hr.
Answer and Explanation

The Correct Answer is ["3"]

Lidocaine infusion calculation:

  • Lidocaine dose ordered: 2 mg/min
  • Lidocaine concentration: 2 gm in 500 mL
  • Conversion factor: 1 mg = 1000 mcg

Calculations:

  • Convert Lidocaine dose to mcg/min: 2 mg/min × 1000 mcg/mg = 2000 mcg/min
  • Lidocaine concentration is 2 gm in 500 mL, which equals 4000 mcg/mL.
  • Calculate mL/hr:
    • mL/hr = (2000 mcg/min × 60 min/hr) / 4000 mcg/mL = 3 mL/hr

Answer:

  • mL/hr: 3 mL/hr


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Related Questions

Correct Answer is C

Explanation

A. Systemic lupus erythematosus (SLE): SLE is an autoimmune disease but is not directly linked to the pathophysiology of HIT.

B. Placental abruption: Placental abruption is a complication of pregnancy and is not a risk factor for HIT.

C. Heparin therapy for deep-vein thrombosis (DVT): Correct Answer. Heparin therapy itself, especially in the treatment of deep-vein thrombosis, is a significant risk factor for developing HIT due to the exposure to heparin.

D. Warfarin therapy for atrial fibrillation: Warfarin is not associated with the development of HIT.

Correct Answer is A

Explanation

A. Myxedema coma. Myxedema coma is a severe, life-threatening complication of untreated or undertreated hypothyroidism. It manifests with severe hypothyroid symptoms such as hypothermia, altered mental status, and can lead to coma and death if untreated.

B. Goiters: Enlarged thyroid gland due to various causes but not typically life-threatening.

C. Sjogren's syndrome: An autoimmune disorder affecting moisture-producing glands, not directly related to hypothyroidism.

D. Hashimoto's disease: An autoimmune disorder causing hypothyroidism but not directly associated with life-threatening complications like myxedema coma.

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