In emergency, capillary refill time is essential for quick assessment of dehydration and hypoperfusion. Hypovolemia can occur as a result of many conditions such as hemorrhage, sweating, diarrhea, and vomiting. A delay of more than 2 seconds indicates hypovolemia and hypoperfusion. Reference: https://www.medscape.com/answers/801598-102967/what-is-the-significance-of-capillary-refill-time-in-the-emergent-management-of-pediatric-patients-with-fever Image via: https://www.researchgate.net/publication/328236530_Pediatric_Dehydration_Assessment_at