Abstract #2406
MRI-compatible exercise device for use in cardiac stress tests
Omid Forouzan 1 , Evan Flink 1 , Nick Thate 1 , Andrew Hanske 1 , Tongkeun Lee 1 , Alejandro Roldan-Alzate 2,3 , Christopher Franois 3 , Oliver Wieben 2,3 , and Naomi Chesler 1
1
Biomedical Engineering, University of
Wisconsin-Madison, Madison, WI, United States,
2
Medical
Physics, University of Wisconsin School of Medicine &
Public Health, Madison, WI, United States,
3
Radiology,
University of Wisconsin School of Medicine & Public
Health, Madison, WI, United States
The diagnosis of many cardiovascular diseases can
benefit from imaging during a cardiac stress test. The
purpose of this study was to develop a low-cost exercise
device that could be used within the confines of an MRI
bore during a cardiac MR scan and also provides measures
of work. The device was designed to create exercise
stress via a stepping motion by the subject in a supine
position while minimizing unwanted chest movement and
upper body translation. Our pilot testing results
confirmed substantial increase in heart rate (+85%),
cardiac output (+100%), mean aortic flow (+65%) and mean
pulmonary artery flow (+%101) post-exercise.
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