RecruitingNot ApplicableNCT03446326

Assessment of Stroke Volume and Cardiac Output in Response to Varying Heart Rates

Assessment of Stroke Volume and Cardiac Output in Response to Varying Heart Rates and Body Position - a Pacemaker Based Study

Sponsor

University of Calgary

Enrollment

25 participants

Start Date

Jan 1, 2018

Study Type

INTERVENTIONAL

Conditions

Vasovagal Syncope

Summary

The investigators will seek to determine the effects of different heart rates on both stroke volume and cardiac output using non-invasive hemodynamic assessments. In order to safely manipulate the HR, the investigators will study patients with permanent pacemakers in whom heart rate manipulation can be done in a safe and non-invasive manner.

Eligibility

Min Age: 18 YearsMax Age: 70 Years

Plain Language Summary

Simplified for easier understanding

This clinical trial is studying a medical device called Pacing for people with vasovagal syncope. The study is currently recruiting participants at 1 location. People eligible for this study include aged 18 Years to 70 Years.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

DEVICEPacing

Assess the non-invasively determined stroke volume and cardiac output response at different paced heart rates in patients with a cardiac pacemaker or implanted defibrillator with preserved ejection fractions (LVEF≥50%)