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Updated: May 12, 2026

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
Published on: September 6, 2024
Transition from routine arterial blood gas testing to indication-based testing in the intensive care unit:
Richard Anderson1, Debra Chalmers1, Louise Trent1
1Intensive Care Unit, Hawke's Bay Fallen Soldiers' Memorial Hospital, Te Whatu Ora Te Matau a Māui Hawke's Bay, Hastings, New Zealand.
Abstract:
Unnecessary routine blood testing is associated with patient harm, increased length of stay, increased cost, increased environmental harm and reduced nursing efficiency. Transition from routine arterial blood gas (ABG) testing to indication-based testing in one intensive care unit in New Zealand led to significant reduction in ABG testing and improved sustainable value without causing harm to patients. This was achieved through a Sustainability in Quality Improvement (SusQI) project involving a guideline, education programme, visual cues and audit and feedback. The impact has been sustained for 2 years post-intervention.
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