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What is the primary risk of having metal objects near an MRI scanner?
✔✔ They can become dangerous projectiles due to the strong magnetic field
Why must patients be screened for implants before an MRI scan?
✔✔ Some implants can heat up, malfunction, or move, causing harm
What safety precaution should be taken for patients with pacemakers?
✔✔ MRI should generally be avoided unless the pacemaker is MRI-compatible
Why is it important to remove all metallic objects before entering the MRI room?
✔✔ Even small objects can be pulled into the magnet, posing a safety risk
What should a patient do if they experience discomfort or heating during an MRI scan?
✔✔ Inform the MRI technologist immediately to stop the scan if necessary
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,Why are hearing protection devices required for MRI scans?
✔✔ The scanner produces loud noises that can damage hearing over time
What is the purpose of the five-gauss line in MRI safety?
✔✔ It marks the boundary beyond which the magnetic field may affect medical devices
Why should MRI staff be cautious with oxygen tanks in the scan room?
✔✔ Oxygen tanks are ferromagnetic and can be pulled into the magnet
How can MRI technologists prevent radiofrequency (RF) burns?
✔✔ Ensure that cables and patient skin do not form conductive loops
Why is proper patient positioning important in MRI?
✔✔ Poor positioning can cause discomfort and increase the risk of motion artifacts
What should be done if a patient with a known implant needs an MRI scan?
✔✔ Verify the implant's MRI safety status before proceeding
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, Why must contrast agents be used with caution in MRI?
✔✔ Some patients may have allergic reactions or kidney-related complications
What is the main risk associated with gadolinium contrast in patients with kidney disease?
✔✔ It can lead to nephrogenic systemic fibrosis (NSF) in rare cases
Why should pregnant patients consult a doctor before undergoing an MRI?
✔✔ The effects of MRI on the fetus are not fully understood, especially in the first trimester
What should be done if an emergency occurs inside the MRI room?
✔✔ Remove the patient and staff from the room before bringing in emergency equipment
Why are MRI-compatible stretchers and wheelchairs required in the MRI environment?
✔✔ Regular equipment can be attracted to the magnet, causing serious injuries
What is the primary concern with tattoos and body piercings during an MRI scan?
✔✔ Metallic ink and jewelry can heat up, causing burns
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