Visual detection of pulselessness by carotid artery sonography – a prospective observational study among paramedics

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00033182

Enrollment

150

Registered

2023-12-06

Start date

2024-05-29

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Resuscitation

Interventions

Group 1: We are investigating the visual detection of pulselessness by sonography of the carotid artery among non-medical emergency service staff. The video loops and accompanying questions are presen

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Consent of the participating paramedics - Test persons must belong to the group of non-medical rescue service staff - Sufficient visual acuity of the paramedics (self-assessment) to assess the video sequences

Exclusion criteria

Exclusion criteria: No existing consent of the test persons - Test subjects do not belong to the group of non-medical rescue service personnel - Technical defect during presentation of the ultrasound sequences

Design outcomes

Primary

Measure	Time frame
What percentage of the ultrasound loops shown are correctly named by non-medical emergency service personnel? "Pulsation of the common carotid artery present?" Yes, or No. Using B-, M-mode or the colour Doppler.	—

Secondary

Measure	Time frame
Are there differences in the correct detection of pulselessness or the presence of a pulse depending on whether the sequences are displayed in B-mode, M-mode or via colour Doppler?	—

Countries

Germany

Contacts

Public ContactBenjamin Vojnar

UKGM - Klinik für Anästhesie und Intensivtherapie am Standort Marburg

vojnar@med.uni-marburg.de004964215861123

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026