Contactless measurement of vital signs in the emergency department

Contactless Assessment of Patient Vital Signs for Triage Using Remote Photoplethysmography in the Emergency Department - 1 Observational Study (CAPTURE-1 Study)

Observational The University of Hong Kong · NCT06536647

This study is testing a new camera-based method to see if it can accurately measure vital signs like heart rate and blood pressure in adults coming to the emergency department without needing to touch them.

Quick facts

Study typeObservational
Enrollment1200 (estimated)
Ages18 Years and up
SexAll
SponsorThe University of Hong Kong Academic / other
Locations2 sites (Hong Kong, None Selected and 1 other locations)
Trial IDNCT06536647 on ClinicalTrials.gov

What this trial studies

This observational study evaluates the accuracy of a camera-based method called remote photoplethysmography (rPPG) for measuring vital signs without physical contact. By analyzing facial video data, the study aims to estimate vital signs such as blood pressure, heart rate, respiratory rate, and oxygen saturation in adult patients presenting to the emergency department. The study will recruit participants over a two-month period, collecting data to assess the effectiveness of this innovative technology in a clinical setting.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 years and older who can provide valid written consent.

Not a fit: Patients under 18 years old or those unable to provide consent due to mental illness will not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could enhance triage efficiency and patient monitoring in emergency settings.

How similar studies have performed: While the use of remote photoplethysmography is a novel approach, similar technologies have shown promise in other settings, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* age \>/= 18 years
* a valid written consent

Exclusion Criteria:

* age \< 18 years
* refusal of consent/pre-existing mental illness rending consent impossible

Where this trial is running

Hong Kong, None Selected and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions PhotoplethysmographyVital SignsEmergency departmentTriage
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.