Atrial Fibrillation Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People who are at least 22 years old at the time of signing the consent form
- People who have been advised by their doctor to have a Holter monitor test (a test that records heart activity over time)
- People who are able to wear a smartwatch-style device called the HeartWatch on their left upper arm for the full duration of the study
- People who are able to follow the study instructions and procedures
- People who do not have a working implanted pacemaker or defibrillator
- People whose left upper arm measures between 22 cm and 45 cm around
- People who are willing and able to provide written consent to take part
Who may not be able to join:
- People with a known allergy to any part or material of a Holter monitor
- People with a known allergy to any part or material of the HeartWatch device
- People who cannot wear the HeartWatch on their left arm due to an existing medical condition — for example, a dialysis access point in the left arm, previous cancer surgery involving lymph nodes, swelling caused by lymph fluid build-up, blood clots in the left arm, or long-term nerve pain in the left arm (confirm with trial site for other conditions)
- People with a heart condition called dextrocardia, where the heart is positioned on the right side of the chest instead of the left
- People who have a working implanted pacemaker or defibrillator
- People whose left upper arm measures less than 22 cm around
- People whose left upper arm measures more than 45 cm around
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Russell Quinn, MD, University of Calgary
Phone: 4035600225
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
QRS signal detection
Can't join this trial?
Data last synced from ClinicalTrials.gov: 23 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.