: It is associated with ultrasound diagnostic videos, such as those used to identify endophthalmitis (an eye infection) in emergency settings.
If you are referring to a specific video you saw on social media (like TikTok or YouTube) that used this name as a "creepy" or "mystery" title, it is likely part of an project or an ARG (Alternate Reality Game) where the creator uses generic filenames to make the footage look like "found" or "corrupted" data. g002.mp4
: It is used as a label for clinical video supplements, such as a gait assessment study for Parkinson's disease, showing a patient 15 minutes after medication. : It is associated with ultrasound diagnostic videos,