Vasovagal Syncope study: Pacing
Official title Assessment of Stroke Volume and Cardiac Output in Response to Varying Heart Rates
ClinicalTrials.gov ID: NCT03446326
What this study is testing
- What it's testing
- The study aims to see how different heart rates influence stroke volume and cardiac output using non‑invasive measurements.
- Who it's for
- Adults who have a permanent pacemaker implanted.
- What's involved
- Participants will have their pacemaker set to different heart rates while doctors measure blood flow and heart function without invasive procedures.
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 to 70
You may be able to join if
- Age 18-70 years (inclusive)
- Implanted permanent pacemaker or implanted defibrillator capable of atrial and ventricular pacing
- LV ejection fraction \>50%
You likely can't join if
- Unable or unwilling to provide informed consent
- Clinical need for a cardiac resynchronization device
The study team makes the final eligibility decision.
Where it is enrolling
- Calgary, Alberta, Canada
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part, but confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18 years to 70 years. The study team makes the final eligibility decision.
Where is this trial taking place?
This study is enrolling now at Calgary, Alberta, Canada. Enter your location above to see the nearest enrolling site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool that is independent of the study sponsor. Details come from ClinicalTrials.gov. The study team decides eligibility, and your own doctor gives medical advice.