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MR Hazard Summary - VHA National Center for Patient Safety
http://www.patientsafety.va.gov/professionals/hazards/mr.asp
WEBNov 29, 2023 · Five Types of MR Hazards. Projectile effect (also called missile effect; magnetic material pulled – often violently - toward the magnet bore) While this phenomenon is generally associated with ferromagnetic materials, magnetic materials that are not ferromagnetic (e.g., diamagnetic and paramagnetic materials) can also be pulled into the ...
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Potential Hazards and Risks | UCSF Radiology
https://radiology.ucsf.edu/patient-care/patient-safety/mri/potential-hazards-risks
WEBIn such an environment ferromagnetic metal objects can become airborne as projectiles. Small objects such as paper clips and hairpins have a terminal velocity of 40mph when pulled into a 1.5 T magnet and therefore pose a serious risk …
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Missile effect - MRI safety | Radiology Reference Article - Radiopaedia.org
https://radiopaedia.org/articles/missile-effect-mri-safety
WEBJun 20, 2020 · Missile effect (or projectile effect) denotes the attraction exerted by the static magnetic field of the MRI scanner on ferromagnetic objects accidentally introduced into the MRI-scanner room (i.e. oxygen bottles, scissors, chairs, etc). This effect involves the risk of impact with the patient (or the radiographer) or with the MRI-gantry.
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Patient Safety in Radiology - Textbook of Patient Safety and Clinical
https://www.ncbi.nlm.nih.gov/books/NBK585624/
WEBDec 15, 2020 · the potential hazards and side effects of unique aspects of medical imaging such as ionizing radiation, the strong magnetic field of MRI, and the contrast agents are critical issues in radiology safety.
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Safety in the MR Environment: Ferromagnetic Projectile Objects in …
https://patientsafety.pa.gov/ADVISORIES/Pages/200906_56.aspx
WEBThis hazardous phenomenon is known as the projectile, or missile, effect, which can potentially result in serious or fatal injuries to individuals in the scanner room. Any object, regardless of size, can become a dangerous projectile.
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Biological Effects and Safety in Magnetic Resonance Imaging: A …
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2705217/
WEBJun 10, 2009 · These equipments will be subject to the attractive (projectile effect) and rotational forces, caused by the static field, whose magnitude depends on their mass and distance from the bore entrance . The projectile effect caused the most serious accident reported to date: a 6-year-old boy died after an MRI exam, when the machine’s …
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Magnetic Resonance Imaging: Fundamental Safety Issues
https://www.jospt.org/doi/pdf/10.2519/jospt.2011.3906
WEBprojectile effect, torque/translation, personal items, and human health effects. Projectile Effect Any ferromagnetic object brought into the main magnet room of a supercon-ducting magnet will experience attrac-tive forces, as the magnet is always on. Unsecured items can, therefore, become dangerous projectiles as they acceler-
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A practical guide for radiographers focussing on safety during …
https://www.sciencedirect.com/science/article/pii/S1939865422003666
WEBDec 1, 2022 · Les problèmes de sécurité en IRM comprennent les effets de projectile et de couple sur les objets ferromagnétiques, les effets thermiques, la claustrophobie et les réactions indésirables aux agents de contraste.
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Practical Safety Considerations for Integration of Magnetic …
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8472473/
WEBSignificant attraction force and torque between ferromagnetic materials within medical equipment or implanted devices and the static magnetic field can induce dangerous and damaging projectile effects. Additionally, the magnetic field can also potentially impact the equipment or treatment machines in the neighboring area.
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Review, identification and analysis of local impact of projectile
https://www.sciencedirect.com/science/article/pii/S0950423017311063
WEBJan 1, 2019 · One such potential hazard with potentially high consequences is the potential impact of projectiles to cause cascading or knock-on events by perforating an LNG storage tank. As the LNG storage tanks is one of the largest consequences from a potential cascading events, it is the focus of this paper.
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