MRSO - Implants and Devices - Module 5 Test Review |Question and Answers| 100% Correct

MRSO - Implants and Devices - Module 5 Test Review |Question and Answers| 100% Correct MR screening should be *Ans* -verbal and interactive -performed by Level 2 MR Personnel MR screening should not be *Ans* simplified Who defines terms for marking medical devices in MR environment? *Ans* ASTM According to ASTM, MR Safe is applied to items that: *Ans* Items that pose no known hazard in ANY MR environment Ex: wood, glass, plastic According to ASTM, MR Unsafe is applied to items that: *Ans* Item that poses unacceptable risk in MR environment According to ASTM, MR Conditional is applied to items that: *Ans* Item that has demonstrated safety within the MR environment within defined conditions Categories of devices *Ans* passive active: contain electrical components Metallic implants are subjected to: *Ans* -static magnetic field interactions -heating (RF, gradients): length / loops -induced currents (gradients) -operational -artifacts Workflow for implants: *Ans* -identify device -determine FDA labeling -If conditional, determine if conditions can be maintained If item can't be identified or labeling can not be determined, risk vs benefit is determined by *Ans* radiologist Procedures when determining implant assessment should be *Ans* documented in writing Conditions regarding safety and compatibility applies only to *Ans* specifically tested conditions If safety or compatibility of a device is not documented in writing, one should *Ans* never assume safety information Who is responsible for ensuring that published conditions of use are correct, up-to-date, and available for MR personnel *Ans* device manufacturer Advisable to maintain a copy of conditions of use in: *Ans* patient's medical record Resources for positively identifying implant or device *Ans* -patient's medical record -implant card -reliable family member/caregiver FDA is not responsible for *Ans* testing Who is responsible for testing and keeping up-to-date information regarding FDA labeling and conditions of use? *Ans* the device manufacturer All information regarding implants should be *Ans* clearly documented in writing (not verbal from family) The MR Technologist does NOT determine MRI safety of a patient *Ans* The supervising MR Radiologist is solely responsible