New doppler device could help paramedics see blood flow during CPR

NCT ID NCT06599073

Completed Knowledge-focused Sponsor: Norwegian University of Science and Technology Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a new hands-free device called RescueDoppler that uses ultrasound to monitor blood flow in the carotid artery during cardiac arrest. Researchers attached the device to 285 patients experiencing sudden cardiac arrest, both in and out of the hospital. The goal was to see if the device could reliably detect whether blood flow was present or absent during CPR, which could help guide resuscitation efforts.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: RescueDoppler device
What this could lead to: If successful, this device could help emergency responders quickly assess blood flow during CPR, potentially improving resuscitation outcomes.
What could go wrong: This is a feasibility study, not a treatment trial. The device's impact on survival or patient outcomes has not been tested, and results may not change current practice.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

cardiac arrest

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CARDIAC ARREST (CA) CARDIOPULMONARY RESUSCITATION DOPPLER ULTRASOUND

Contacts and locations

Locations

Akershus university hospital

Loerenskog, Akershus, 1478, Norway
Haukeland University Hospital, Surgical Services Clinic, Department of Emergency Medicine

Bergen, Vestland, 5201, Norway
Nordland Hospital

Bodø, Norway
Oslo University Hospital Rikshospitalet

Oslo, Norway
Oslo University Hospital Ullevaal

Oslo, Norway
Oslo University Hospital Ullevål location Lørenskog

Oslo, 1474, Norway
Sahlgrenska University Hospital

Gothenburg, 41345, Sweden
St Olavs University Hospital

Trondheim, 7491, Norway

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