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Child Health Guideline Identifier

Anaesthesia - paediatric cardiac heparin dosing

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  • MBTS, some coarctation repairs
    Usual dose is 1mg/kg (100u/kg)
    Check with surgeon before giving
  • ECMO
    Usual dose before running onto ECMO is 0.5mg/kg (50u/kg)
    Check with surgeon before giving


  • ACT goal >450sec (>650sec if using aprotinin)
  • Dose
    < 4 weeks: 5mg/kg (500u/kg)
    4 weeks - 12 months: 4mg/kg (400u/kg)
    > 12 months: 3mg/kg (300ukg)

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Document Control

  • Date last published: 01 June 2017
  • Document type: Clinical Guideline
  • Services responsible: Paediatric Anaesthesia
  • Owner: D Buckley
  • Editor: Michael Tan
  • Review frequency: 2 years

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