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Updated: Jul 6, 2026

Diffuse Reflectance Spectroscopy: Getting the Capillary Refill Test Under One's Thumb
Published on: December 2, 2017
Marlene Dufault1, Barbara Davis, Dorothy Garman
1College of Nursing, University of Rhode Island, Kingston, Rhode Island 02881, USA. Marlened@uri.edu
Capillary refill assessment alone has limited clinical value. Further research is needed to explore alternative methods for evaluating peripheral perfusion, moving beyond isolated capillary refill tests.
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