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Administering a glyceryl trinitrate infusion: faster is better than slower
  1. Alistair Steel1,
  2. James Varley2
  1. 1
    Department, Norfolk and Norwich University Hospital, Norwich, UK
  2. 2
    Queen Elizabeth Hospital, UK
  1. Dr A Steel, Anaesthetic Department, Norfolk and Norwich University Hospital, Norwich, NR2 4UY, UK; a-steel{at}

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Matthew Reed highlights the importance of practical issues in his article promoting the use of small-diameter cannulae for glyceryl trinitrate (GTN) infusions.1 However, there are several other issues that should be considered when administering drugs at low infusion rates.

First, mechanical slack within an infusion device may mean an …

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  • Competing interests: None.