Abstract #2401
Relationship Between Diaphragmatic Motion and Heart Motion during Prolonged Breath-hold
Sbastien Roujol 1 , Warren J. Manning 1,2 , and Reza Nezafat 1
1
Department of Medicine, Beth Israel
Deaconess Medical Center / Harvard Medical School,
Boston, MA, United States,
2
Department
of Radiology, Beth Israel Deaconess Medical Center /
Harvard Medical School, Boston, MA, United States
A respiratory navigator which tracks the diaphragmatic
position is commonly used to correct the heart motion
during free breathing acquisitions. However, the
efficiency of this technique during prolonged
breath-hold has not been fully investigated. In this
study, we sought to assess the relation between the
diaphragmatic motion and the heart motion during a
prolonged breath hold performed with and without
pre-oxygenation and hyperventilation.
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