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Clinical guidelines and drug calculators

For healthcare professionals

Our policy

These clinical guidelines have been produced by South Thames Retrieval Service (STRS) at Evelina London for nurses, doctors and ambulance technicians to refer to in the emergency care of critically ill children.

These guidelines represent the views of STRS which were produced after careful consideration of available evidence in conjunction with clinical expertise and experience. The guidance does not override the individual responsibility of healthcare professionals to make decisions appropriate to the circumstances of the individual patient. 

Drug calculators, clinical guidelines and drug doses

Drug doses and calculators

DocumentDue for review

Emergency drug dose calculator (PDF 186Kb) - please make sure you download the PDF to your desktop. MAXIMUM WEIGHT = 50KG 


Age based norms and infusion calculator (PDF 321Kb) - please make sure you download the PDF to your desktop


Corrected sodium calculator (PDF 222Kb) - please make sure you download the PDF to your desktop 03/2020
Reference doses for IV infusions )PDF 15Kb) 03/2020
Paediatric drug formulary (web link) n/a

Hypertonic sodium chloride (PDF 439Kb)


Clinical guidelines

GuidelineDue for review
Paediatric emergencies (A-Z)  n/a
Acute respiratory distress Syndrome (ARDS) (PDF 243Kb) 06/2022
Arrythmias - SVT, Atrial Flutter, Ventricular tachycardia (PDF 211 Kb) 08/2021

Asthma (PDF 383Kb)


Bronchiolitis (PDF 175Kb)

Burns (PDF 202Kb) 08/2021
Diabetic Ketoacidosis (DKA) (PDF 432Kb) 01/2021

Diabetic Ketoacidosis: Two bag technique (PDF 248Kb)

DKA corrected sodium calculator download the PDF and save on desktop before use. (PDF 222Kb) 03/2020

Drowning (PDF 316Kb)


Electrolyte emergencies (PDF 392Kb)

Liver failure (PDF 365Kb) 11/2021

Malaria (PDF 591Kb)

Metabolic disorders (PDF 423Kb) 01/2021
Neonatal collapse (PDF 305Kb) 11/2020
Neurosurgical emergency (PDF 450Kb) 05/2022

Oncological emergencies - includes febrile neturopaenia, tumour lysis syndrome and airway obstruction due to mediatsinal masses (PDF 448Kb)

Pertussis (PDF 125Kb) 09/2021

Sepsis (PDF 194Kb)


Status Epilepticus - seizures (PDF 300Kb)


*Please be aware that this is an external guideline, written by the Royal College of Paediatrics and Child Health.

External guideline

Total Anomalous Pulmonary Venous Drainage (TAPVD) (PDF 206Kb)

General management and theory  n/a

Patient stabilisation (PDF 173Kb)

Securing endotracheal tubes (ETT) (PDF 577Kb) 03/2021

Management of the paediatric patient in adult ITU (PDF 393Kb)

End of life care at referral hospitals (PDF 127Kb) 11/2020

Drug extravasation (PDF 234Kb)


Acid base interpretation (PDF 340 Kb)

Transport  n/a

Aeromedical transfer (PDF 393Kb)

Neurosurgical emergency (PDF 450Kb) 20/2021
The logo for the South Thames Retrieval Service (STRS).

Paediatric emergency drugs app

Download the paediatric emergency drugs app from the ITunes store to access:

  • drug calculations based on a child's age and weight
  • calculated cardiac arrest drugs
  • calculated induction agents, muscle relaxants and anticonvulsants
  • over 80 additional infusion and bolus drugs
  • calculated physiological parameters (reference ranges for heart rate, blood pressure)
  • calculated paediatric endotracheal tube sizes and other equipment
  • infusion rate and glucose calculator.
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