Anaesthetic Calculators

General

Body weight metrics BMI, IBW, AdjBW, LBW

Airway

DAS Awake Tracheal Intubation (ATI) LBW + topical lidocaine dosing ATI topicalisation LBW + topical lidocaine dosing

Regional

Combined LA dose Calculate total dose % across agents LA bolus & infusion Max bolus and infusion rates (≥45 kg) 50:50 LA mixture Max dose and volume of short- & long-acting LA

Risk

Nottingham Hip Fracture Score 30-day mortality prediction

Critical care

Adult blood volume & Haemorrhage Volume, Allowable blood loss, MHP, ROTEM & AoA QRH Vasopressor infusions Noradrenaline, adrenaline, vasopressin LA toxicity - Intralipid Intralipid bolus and infusion

Obstetrics

Maternal blood volume & Haemorrhage Volume, Allowable blood loss, MHP, TEG/ROTEM & OAA QRH

Paediatrics

Paediatric anaesthesia Drug doses + equipment sizes

Other

Useful guidelines Anaesthesia & perioperative care Quick Reference Handbook Association of Anaesthetists (2023) Obstetric Quick Reference Handbook Obstetric Anaesthetists' Association (2024)
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