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Prolonged Capillary Refill Time

February 18th, 2021


  • How to Perform

  • Apply pressure to the nail bed until it blanches, release and measure the time taken for colour to return.
If the time is more then 2 seconds, then this suggests hypoperfusion.
  • Causes of Prolonged Capillary Refill Time

  • Shock
  • Dehydration
  • Reduced peripheral perfusion
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