Name one common contraindication for using MRI.

The presence of ferromagnetic implants or devices is a common contraindication for using MRI due to the strong magnetic fields utilized during the imaging process. MRI uses powerful magnets that can attract ferromagnetic materials, potentially leading to serious injury or device malfunction. For instance, pacemakers, certain types of aneurysm clips, and other metallic implants may not be compatible with the MRI environment. These devices can either move or heat up under the influence of the magnetic field, posing significant risks to the patient’s safety.

While there are some situations where a medical professional may deem it acceptable to proceed with an MRI despite the presence of a non-ferromagnetic device, the general rule is to avoid MRI in patients with ferromagnetic implants due to the inherent risks involved. This highlights the importance of thorough patient screening prior to performing an MRI scan to ensure safety and efficacy.