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Technique for upgauging peripheral venous cannulae in volume resuscitation
  1. M Harvey1,
  2. Vijay Thumma1,
  3. Grant Cave2
  1. 1Emergency Department, Waikato Hospital, Hamilton, New Zealand
  2. 2Intensive Care Unit, Monash Medical Centre,Melbourne, Victoria, Australia
  1. Correspondence to:
 Dr M Harvey
 Emergency Department, Waikato Hospital, Pembroke Street, Hamilton 2001, New Zealand;harveym{at}

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Achieving large-bore venous access in a shocked patient is a frequent problem encountered by the emergency department physician. Alternatives1–3 to standard cannula-over-needle percutaneous cannulation are time/operator dependent, and confer increased potential morbidity. We aimed to prospectively validate the anecdotally described, but largely overlooked, technique of utilising an initial distending volume of saline to facilitate large-bore peripheral venous cannulation.

With regional ethics committee approval and verbal consent, adult (⩾16 years) patients presenting to our tertiary emergency department with a clinical diagnosis of hypovolaemia (pulse ⩾100 bpm, …

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  • Competing interests: None declared.