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Zorluk: OrtaPharmacological Therapies

A 4-year-old pediatric client is admitted to the pediatric unit with a high fever. The healthcare provider prescribes ibuprofen 8 mg/kg8\text{ mg/kg} orally every 6 hours as needed for temperature greater than 101.5∘F101.5^\circ\text{F} (38.6∘C38.6^\circ\text{C}). The client's current weight is documented as 41.8 lbs41.8\text{ lbs}. The unit stocks ibuprofen oral suspension at a concentration of 100 mg/5 mL100\text{ mg}/5\text{ mL}. How many mL should be administered for one dose? Record the answer to the nearest tenth. Do not include units in the answer.

Cevap: 7.6 mL

Cevap

7.6
The correct dose is calculated by first converting the child's weight to kilograms (41.8 lbs÷2.2=19 kg41.8\text{ lbs} \div 2.2 = 19\text{ kg}). Next, the weight in kg is multiplied by the prescribed dose to find the desired amount (19 kg×8 mg/kg=152 mg19\text{ kg} \times 8\text{ mg/kg} = 152\text{ mg}). Finally, using the available medication concentration of 100 mg100\text{ mg} in 5 mL5\text{ mL}, the required volume is determined by dividing the desired dose by the available dose, then multiplying by the quantity (152 mg100 mg×5 mL=7.6 mL\frac{152\text{ mg}}{100\text{ mg}} \times 5\text{ mL} = 7.6\text{ mL}). The final answer is already at the tenths place, requiring no further rounding.

Adım Adım Çözüm

1
Convert the client's weight from pounds (lbs) to kilograms (kg).
41.8 lbs÷2.2 lbs/kg=19 kg41.8 \text{ lbs} \div 2.2 \text{ lbs/kg} = 19 \text{ kg}
Weight-based medication dosages require the client's weight to be in kilograms for accurate calculation.
2
Calculate the total prescribed dose in milligrams (mg) using the client's weight in kilograms.
19 kg×8 mg/kg=152 mg19 \text{ kg} \times 8 \text{ mg/kg} = 152 \text{ mg}
The healthcare provider prescribed 8 mg per every 1 kg of body weight per dose.
3
Determine the volume of liquid medication to administer in milliliters (mL).
152 mg100 mg×5 mL=1.52×5 mL=7.6 mL\frac{152 \text{ mg}}{100 \text{ mg}} \times 5 \text{ mL} = 1.52 \times 5 \text{ mL} = 7.6 \text{ mL}
Using the dimensional analysis or the formula (Desired Dose / Available Dose) x Quantity calculates the exact volume of suspension needed to deliver the required milligrams.

Anahtar Kavram

Weight-based dosage calculation for pediatric pharmacology
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Pharmacological Therapies

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