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Archimedes
What is the use of the glass test?
  1. Ami Parikh1,
  2. Ian Maconochie2
  1. 1Specialist Registrar in Paediatric A+E, St Mary’s Hospital, London; simonvn@aparikh.freeserve.co.uk
  2. 2Consultant of Paediatric A+E, St Mary’s Hospital, London

https://doi.org/10.1136/adc.88.12.1135

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    A well 4 year old girl is seen in A+E with a rash and fever. Her parents have performed the “glass tumbler test” and she has petechiae. You wonder how reliably this test distinguishes petechiae from other skin lesions.

    Clinical bottom line

    • No evidence was found to support the use of the glass tumbler test as a predictor for the diagnosis of petechiae.

    Structured clinical question

    In a child with a rash [patient] does a positive glass/tumbler …

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    Footnotes

    • Bob Phillips