Defining normal capillary refill: variation with age, sex, and temperature.

  title={Defining normal capillary refill: variation with age, sex, and temperature.},
  author={David L. Schriger and Larry J. Baraff},
  journal={Annals of emergency medicine},
  volume={17 9},
Capillary refill has been advocated as an indicator of perfusion status (shock) in seriously ill patients. An upper limit of normal of two seconds has been recommended; there is no published evidence that supports this value. To investigate the validity of the two-second upper limit of normal and to examine the variation of capillary refill with age and temperature, we measured capillary refill in 100 healthy child, 104 adult, and 100 elderly volunteers. In addition, 20 adults were measured… CONTINUE READING

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