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HSgB ROCK

Rx On-call Calculation Kit for Pharmacists

📋 Disclaimer & Terms of Use

Please read carefully before proceeding

HSgB Rx-Oncall Calculation Kit (ROCK) is developed to support HSgB pharmacists during on-call duties by providing quick, evidence-based clinical calculations at the point of care.

ROCK is a clinical support tool only and does not replace clinical assessment & professional judgement.

Users Are Required To:

  • Independently verify all calculations before clinical use
  • Interpret outputs within the appropriate patient context
  • Apply professional judgement before acting on any output
⚠️ As ROCK is newly developed, minor errors may occur. Always verify results before clinical use and report any discrepancies to the development team.
INTERNAL USE ONLY Intended exclusively for HSgB staff. Unauthorised use or distribution is strictly prohibited.
The developers are not responsible for any clinical decisions or outcomes arising from the use or misuse of ROCK.

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Patient Parameters

Body Weight

BMI, BSA, IBW (Devine) & Adjusted BW

Renal Function (Adult)

Cockcroft-Gault-based creatinine clearance

Renal Function (Paeds)

eGFR via Schwartz/Brion method

Injectable Therapy

Iron Dextran (Cosmofer) Dose

Calculate total iron dose and final dosing recommendation

Anticoagulant Dose (Clexane / Arixtra)

Dose guide per indication and weight bands with renal adjustment

Critical Care

Vasopressor & Inotrope Supply

Calculate number of ampoules to supply based on drug strength and infusion rate

Precedex (Dexmedetomidine) Supply

Calculate number of ampoules to supply based on infusion rate

Infectious Disease

Anti-TB Dose (Adult Patients)

Calculate TB treatment & LTBI dosing — Fixed dose combinations & loose pills

Antibiotic Therapy Days

Track current day & end date of antibiotic course

Special Population

Paediatric Drug Dosing

Weight-based dosing for common paediatric medications

Pregnancy & Breastfeeding Drug Guide

Drug safety reference for use in pregnancy and breastfeeding

PCM Poisoning

NAC (N-Acetylcysteine) Dose

Calculate NAC dosing for paracetamol poisoning & acute liver failure

PCM Toxicity Guide 🚧

Assessment and management guide for paracetamol overdose

🚧 Other Work in Progress

Electrolyte Correction 🚧

Sodium, potassium, magnesium & phosphate correction dosing