MRI Safety Tip (Never Do This During an MRI Scan). In this video we will be discussing an aspect of MRI scan safety that no one is talking about. So let’s get right into it.

MRI scanners require precise anatomical placement into a near perfect magnetic field environment to produce crisp, clear images of the anatomy. This is accomplished by using a laser crosshair assembly to mark the precise location of the anatomical region of interest on the patient. The laser crosshair assembly is calibrated to a known distance from the magnet isocenter so that when the MRI scan procedure begins, the patient transport assembly can move the patient into the exact position needed inside the MRI scanner. So what is the MRI safety concern during this process? It is important to remember that MRI scanners use class 2 LASER assemblies for precision landmark points such as the nasion and sternal notch. During the landmark process, patients may cross the path of the laser beam. It is important to never stare into the laser beam. Class 2 lasers emit a visible light wave that is less than 1 mW in power . They are classified as “safe for unintentional exposure for less than ¼ of a second.” Class 2 lasers do not pose a skin burn or materials burn hazard but they can cause temporary blindness, damage to the retina or damage to the cornea. It is best practice to keep your eyes closed during the landmark process to eliminate the risk of accidental laser exposure. Subscribe to our channel to stay up to date on the latest radiology tips. Thank you for watching!

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