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Updated: May 30, 2026

3D Cine Magnetic Resonance Imaging of Respiratory Motion in Mechanically Ventilated Mice and Rats
Published on: September 19, 2025
"MR conditional" respiratory ventilator system incident in a 3-T MRI environment
Kathryn L Z Greenberg1, Jeffrey Weinreb, Frank G Shellock
1Department of Radiology, Yale New Haven Hospital, New Haven, CT 06510, USA.
Abstract:
The misunderstanding of the labeling for an "MR conditional" respiratory ventilator system resulted in the placement of this device, which had substantial ferromagnetic components, too close to a 3-T magnetic resonance (MR) system, causing a projectile incident. Magnetic resonance imaging health care professionals should be aware of the potentially dangerous consequences when such medical devices that have Food and Drug Administration-approved MR conditional labeling are brought into the MR system room. Recommendations to prevent future incidents are provided herein.
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