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Zorluk: OrtaPharmacological and Parenteral Therapies

A healthcare provider prescribes an intermittent intravenous vancomycin infusion of 15 mg/kg15\text{ mg/kg} for a client with a severe bacterial infection. The client weighs 154 lb154\text{ lb}. To prevent red man syndrome, institutional guidelines require vancomycin to be administered at a maximum rate of 10 mg/min10\text{ mg/min}. Calculate the minimum safe infusion time in minutes for this dose. Record your answer as a whole number.

Cevap: 105 minutes

Cevap

105
To find the minimum safe infusion time, first convert the weight to kilograms (154 lb÷2.2=70 kg154\text{ lb} \div 2.2 = 70\text{ kg}). Next, calculate the total dose by multiplying the weight by the prescribed dosage (70 kg×15 mg/kg=1050 mg70\text{ kg} \times 15\text{ mg/kg} = 1050\text{ mg}). Finally, divide the total dose by the maximum safe infusion rate (1050 mg÷10 mg/min1050\text{ mg} \div 10\text{ mg/min}) to yield 105 minutes105\text{ minutes}. This ensures the medication is administered slowly enough to prevent infusion-related reactions.

Adım Adım Çözüm

1
Convert the client's weight from pounds to kilograms.
154 lb÷2.2=70 kg154\text{ lb} \div 2.2 = 70\text{ kg}
The vancomycin order is weight-based, and standard medical calculations require weight in kilograms.
2
Calculate the total prescribed dose of vancomycin.
70 kg×15 mg/kg=1050 mg70\text{ kg} \times 15\text{ mg/kg} = 1050\text{ mg}
The total dosage in milligrams must be determined before the administration time can be calculated.
3
Determine the minimum safe infusion time.
1050 mg÷10 mg/min=105 minutes1050\text{ mg} \div 10\text{ mg/min} = 105\text{ minutes}
Dividing the total dose by the maximum allowable rate per minute yields the minimum time required to safely infuse the medication.

Anahtar Kavram

Calculating safe intravenous administration rates for weight-based medication dosages.
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Pharmacological and Parenteral Therapies

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