The order from a provider is: Administer Penicillin 3 gm IV on call to OR over 1 hour. The pharmacy provides Penicillin 3 gm diluted in 150 mL of NS. The drop factor is 10 gtt/mL. What is the gtt/min
The Correct Answer is ["25"]
Total Penicillin dose: 3 gm (as given in the order)
Available volume: The pharmacy provides 150 mL of NS with the Penicillin already diluted.
Infusion time: 1 hour.
Rate (mL/min) = Total volume (mL) / Total time (minutes)
1 hour = 60 minutes
Rate (mL/min) = 150 mL / 60 minutes = 2.5 mL/min
Drop factor: The drip factor is 10 gtt/mL, meaning 10 drops deliver 1 mL of solution. Rate (gtt/min): To find the rate in gtt/min, multiply the rate (mL/min) by the drip factor (gtt/mL).
Rate (gtt/min) = Rate (mL/min) x Drip factor (gtt/mL)
Rate (gtt/min) = 2.5 mL/min x 10 gtt/mL = 25 gtt/min
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Related Questions
Correct Answer is ["25"]
Explanation
Total Penicillin dose: 3 gm (as given in the order)
Available volume: The pharmacy provides 150 mL of NS with the Penicillin already diluted.
Infusion time: 1 hour.
Rate (mL/min) = Total volume (mL) / Total time (minutes)
1 hour = 60 minutes
Rate (mL/min) = 150 mL / 60 minutes = 2.5 mL/min
Drop factor: The drip factor is 10 gtt/mL, meaning 10 drops deliver 1 mL of solution. Rate (gtt/min): To find the rate in gtt/min, multiply the rate (mL/min) by the drip factor (gtt/mL).
Rate (gtt/min) = Rate (mL/min) x Drip factor (gtt/mL)
Rate (gtt/min) = 2.5 mL/min x 10 gtt/mL = 25 gtt/min
Correct Answer is ["100"]
Explanation
To calculate the IV pump rate, you'll need to use the formula: (Volume in mL) / (Time in hours) = Rate in mL/hr. For clindamycin 300 mg premixed in 50 mL to be administered over 30 minutes, you would convert the minutes into hours (which is 0.5 hours), and then divide the total volume of the IV solution by this time. So, the calculation would be 50 mL / 0.5 hours = 100 mL/hr.
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