New cardiac and breathing monitoring tool in MRI.
Andr Guillou 1,2 , Gregory Petitmangin 2 , Roger Abcherli 3 , Laurent Bonnemains 1 , and Jacques Felblinger 1
Inserm U947 (IADI), Nancy, Lorraine, France,
Wissembourg, Alsace, France,
Baar, Zoug, Switzerland
As the ECG in MRI is disturbed by MR gradient swithings,
hall sensors are used as input for gradient artifact
reduction tools (as adaptive filtering), to provide
clean ECG trace. Placed in the MR bore, this sensor was
found to give additional information about respiration
and heart pulse. We explored the possibility to use
these data for patient monitoring during cardiac MRI.
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