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Study identifier: NCT04391465 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Assessment of the Relationship Between Cerebral Blood Flow and Heart Rate

Condition: Cerebrovascular Circulation · Physiology  ·  Sponsor: University of Calgary

PhaseNA
Planned participants20
Who can joinAll sexes, 18 Years to 70 Years
Healthy volunteersNo

About this study

The investigators will seek to determine the relationship between heart rate and middle cerebral artery (MCA) cerebral blood flow (CBF), as well as better understand the hemodynamic determinants of MCA CBF velocity. In order to manipulate heart rate, the investigators will recruit patients already scheduled for clinically indicated elective electrophysiological studies, where temporary pacing catheters placed in the right atrium can be used to artificially pace the heart at controlled rates. MCA CBF will be measured by transcranial Doppler ultrasound.

This description comes directly from the study's public registry record.

Talk to the study team

Satish R Raj, MD MSCI  ·  403-210-6152  ·  satish.raj@ucalgary.ca

Always discuss trial participation with your own doctor first.

Locations (1)

Foothills Medical CenterCalgary, Alberta, CanadaRecruiting

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Source record: clinicaltrials.gov/study/NCT04391465