One of the most important assessment tools in rapid paediatric assessment is the central capillary refill time (CRT). It is quick, easy to perform and does not require any special equipment. Show Assessment of paediatric patients can be challenging, due to many developmental and environmental factors. A complete physical assessment would include the patient’s heart rate, blood pressure, colour, central capillary refill time, respiratory rate, oxygen saturations, work of breathing, level of consciousness, temperature and pain score. However, if the patient is not compliant or the equipment is not appropriately sized this full assessment can be impossible! One of the most important assessment tools in rapid paediatric assessment is the central capillary refill time (CRT). It is quick, easy to perform and does not require any special equipment. CRT is the time it takes for colour to return to a capillary bed after pressure has been applied to create blanching of the area. A normal CRT should be between 2-3 seconds when applied centrally, such as to the sternum or the forehead. Delayed CRT is indicative of circulatory shock or dehydration, and prompts further assessment and investigations. Difficulties in performing a CRT include poor lighting and a cold environment, so take the time to ensure adequate lighting and temperature before performing the CRT. Technique:
https://www.researchgate.net/figure/A-demonstration-of-the-technique-for-capillary-refill-time-on-the-sternum-in-a-neonate_fig2_258524154 If you are interested in updating your knowledge on paediatric assessment, you may be interested in joining us in one of our following courses depending on your area of clinical practice.
For a full list of events and courses please visit https://medcast.com.au/critical-care. Crystal Smith References: King D, Morton R, & Bevan C. How to use capillary refill time. Archives of Disease in Childhood: Education & Practice, 2013 November, doi:10.1136/archdischild-2013-305198.  Crystal SmithCrystal Smith is a Senior Education Consultant for Critical Care Education Services (part of the Medcast Group). She has a clinical background in critical care, paediatrics and education. The latest healthcare news from medcast
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Is capillary refill of 2 seconds good?Normal CRT is 1 to 2 seconds. This is consistent with a normal blood volume and perfusion. A CRT longer than 2 seconds suggests poor perfusion due to peripheral vasoconstriction. Peripheral vasoconstriction is an appropriate response to low circulating blood volume and reduced oxygen delivery to vital tissues.
What is a normal capillary refill time quizlet?Normal capillary refill time is usually less than 2 seconds.
Which capillary refill time would be considered normal in infants?An abnormal CRT in infants and children over 7 days of age is 3 seconds or more; a normal CRT is 2 seconds or less. A CRT measurement of between 2 and 3 seconds may be considered 'borderline abnormal', but some healthy children may have CRT as long as 2.5 seconds.
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Which one of the following capillary refill time is considered the upper limit of normal for an adult female?
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