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Acute kidney injury (AKI)

A detailed Australian summary of acute kidney injury (aki), with source-attributed priorities, a practical workflow, safety escalation and state or territory implementation boundaries.

JurisdictionAustralia
Source check2026-08-20
Clinical reviewiatroX editorial team 路 Clinical editorial review 路 reviewed 2026-08-20 路 due 2027-08-20
AudienceHealthcare professionals practising in Australia
This is an iatroX educational summary of named Australia sources, not an official guideline. It does not replace the complete source documents, local policy, specialist advice or clinical judgement. Apply current TGA product information, PBS restrictions, state or territory law, local referral criteria, formulary and antimicrobial policy. A national recommendation does not create uniform service access.

Scope

Identify acute kidney injury from creatinine change and urine output in clinical context, comparing with the most reliable baseline and recognizing low muscle-mass limitations. Assess volume, sepsis, obstruction and intrinsic renal clues, obtain urinalysis and review recent contrast, NSAIDs, renin鈥揳ngiotensin blockers, diuretics and nephrotoxins. This summary is limited to the population, decisions and escalation boundaries stated in the named source.
sources for this section:KHA CKD handbook

The Bottom Line

  • Identify acute kidney injury from creatinine change and urine output in clinical context, comparing with the most reliable baseline and recognizing low muscle-mass limitations.
  • Assess volume, sepsis, obstruction and intrinsic renal clues, obtain urinalysis and review recent contrast, NSAIDs, renin鈥揳ngiotensin blockers, diuretics and nephrotoxins.
  • Use daily weight and fluid balance when hospitalized and avoid estimating recovery from creatinine alone while urine output worsens.
  • Correct the cause while avoiding both under-resuscitation and fluid overload; adjust renally cleared medicines and monitor creatinine, potassium and acid鈥揵ase status.
sources for this section:KHA CKD handbook

Practical clinical workflow

1

Topic-specific assessment action

Identify acute kidney injury from creatinine change and urine output in clinical context, comparing with the most reliable baseline and recognizing low muscle-mass limitations.
2

Topic-specific diagnostic action

Correct the cause while avoiding both under-resuscitation and fluid overload; adjust renally cleared medicines and monitor creatinine, potassium and acid鈥揵ase status.
3

Topic-specific management action

Use bladder assessment and timely ultrasound when obstruction is possible, with urgent decompression for an infected or threatened solitary system.
4

Topic-specific follow-through

An active urinary sediment with blood and protein plus systemic features requires urgent glomerulonephritis or vasculitis work-up.
sources for this section:KHA CKD handbook

Safety boundaries and escalation

  • Hyperkalaemia, acidosis, pulmonary oedema, uraemic complications, severe oliguria, rapidly rising creatinine or suspected glomerulonephritis requires urgent hospital or nephrology care.
  • After discharge, document recovered or new baseline kidney function and review whether held medicines should restart.
sources for this section:KHA CKD handbook

Implementation

The named source is national or binational guidance used in Australia, but referral access, public-health directions, formularies and funded services can still differ by state, territory and health service. Check current TGA product information for medicines. Offer culturally safe care and use the NACCHO鈥揜ACGP National Guide where Aboriginal and Torres Strait Islander preventive or chronic-care recommendations differ.
sources for this section:KHA CKD handbook

Clinical use boundary

This independently written summary is not an official guideline. Check the linked source version, current TGA-approved product information where medicines are involved, and the applicable state, territory and local pathway at the point of care.

sources for this section:KHA CKD handbook

Source documents

Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.

  1. Kidney Health AustraliaChronic Kidney Disease Management in Primary Care5th edition, 2024 路 accessed 2026-08-20
    view source
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