Drug Calculation Cases

A collection of over 100 drug calculation cases designed specifically for healthcare professionals preparing for numeracy assessments and to become Independent Prescribers.

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Drug Calculation Cases

What's included?

100+ cases πŸ’Š
Improve your prescribing skills with our growing collection of drug calculation cases.
Key topics πŸ€”
Learn to accurately calculate drug doses, infusion rates and medication conversions across different units.
Realistic βœ…
All questions are written by practising clinicians and educators to reflect realistic clinical scenarios.
Clear explanations ✍️
Each case includes detailed explanations to help you master complex calculations and understand common pitfalls.
CPD certificates πŸ“„
Downloadable certificates with performance metrics for CPD evidence.
Notebook ✍️
Access to our Notebook with 350+ topic summaries.
Webinars πŸŽ₯
Access all previously recorded webinars with downloadable attendance certificates for CPD.
Medication illustration
Example

Cases

Example

Infusion rate calculation

Q Case 1 of 100

A 78-year-old man with acute pyelonephritis is to be given gentamicin 5 mg/kg by intravenous infusion. He weighs 80 kg.

Gentamicin is available as 80 mg/2 mL solution. This should be diluted with 50 mL sodium chloride 0.9% and given over 1 hour. A standard infusion set administers 1 mL in 20 drops.

What drip rate (drops/min) is required to deliver the gentamicin infusion?

Example

Drug dose calculation

Q Case 2 of 100

A 45-year-old woman is admitted to the emergency department with severe cellulitis. The decision is made to start intravenous vancomycin.

The recommended loading dose of vancomycin is 25 mg/kg body weight, administered over 2 hours. Vancomycin is supplied in 500 mg vials. The patient weighs 85 kg.

How many vials of vancomycin are required to administer the loading dose?

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Drug Calculation Cases

A collection of over 100 drug calculation cases designed specifically for healthcare professionals preparing for numeracy assessments and to become Independent Prescribers.

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