Related Experiment Video
Updated: Jun 4, 2025

Diffuse Reflectance Spectroscopy: Getting the Capillary Refill Test Under One's Thumb
Published on: December 2, 2017
Prolonged Capillary Refill Time as an Early Sign of Compromised Circulation in an Infant With Supraventricular
Kazumasa Zensho1,2, Kojiro Mitsui2, Kayo Ogino3
1Pediatrics, Okayama University Hospital, Okayama, JPN.
Insights
Capillary refill time (CRT) is a key indicator of circulatory status in infants. Prolonged CRT in an infant with supraventricular tachycardia (SVT) highlights its diagnostic importance in pediatric emergencies.
Area of Science:
- Pediatrics
- Cardiology
- Clinical Assessment
Background:
- Capillary refill time (CRT) is a non-invasive bedside measure used to assess peripheral perfusion.
- Evaluating circulatory status is critical in pediatric patients, especially neonates and infants.
- Supraventricular tachycardia (SVT) can compromise cardiac output and systemic perfusion.
Observation:
- A one-month-old infant presented with symptoms suggestive of compromised circulation.
- The infant was diagnosed with supraventricular tachycardia (SVT).
- Prolonged capillary refill time (CRT) was observed during the physical examination.
Findings:
- The case demonstrates a correlation between supraventricular tachycardia (SVT) and prolonged capillary refill time (CRT) in an infant.
- Capillary refill time (CRT) served as a significant clinical sign of impaired circulatory function.
- This finding underscores the utility of CRT in the pediatric physical examination.
Implications:
- Clinicians should consider prolonged CRT as a sign of potential hemodynamic compromise in infants with SVT.
- Early recognition of prolonged CRT can aid in timely diagnosis and management of pediatric circulatory issues.
- Integrating CRT assessment with other clinical signs improves the evaluation of pediatric patients' cardiovascular status.
Abstract:
Capillary refill time (CRT) is a valuable clinical sign in pediatric assessment, particularly in evaluating circulatory status. We present a case of a one-month-old infant with supraventricular tachycardia (SVT), who demonstrated prolonged CRT, emphasizing the importance of this physical examination finding in the context of other signs of compromised circulation.
Related Concept Videos
Cardiovascular System Abnormal Findings I: Inspection and Palpation
Abnormal findings observed during an inspection
Assessment of the Cardiovascular System III: Palpation
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
Special considerations while measuring pulse
Pulse
The pulse serves as a clinical...
Assessment of apical pulse
Assessing the apical pulse is a critical nursing procedure, particularly indicated for:
Acute Respiratory Failure-IV

