Many X-Rays (MRIs, CT scans, etc.) are read and interpreted by doctors who are remote. There are firms who that's all they do - provide a way to connect radiologists and hospitals, and handle the usual business back-end work of billing, HR, and so on. Search for "teleradiology"
Same goes for electronic medical records. There are people who assign ICD-10 codes (insurance billing codes) to patient encounters. Often this is a second job for them and they work remote and typically at odd hours.
A modern hospital cannot operate without internet access. Even a medical practice with a single doctor needs it these days so they can file insurance claims, access medical records from referred patients and all the other myriad reasons we use the internet today.
Okay, so (as mentioned elsewhere in this thread), connect the offline box to an online NAS with the tightest security between the two humanly possible. You can get the relevant data out to those who need it.
This stuff isn't impossible to solve. Rather, the incentives just aren’t there. People would rather build an apparatus for blame-shifting than actually just building a better solution.
Same goes for electronic medical records. There are people who assign ICD-10 codes (insurance billing codes) to patient encounters. Often this is a second job for them and they work remote and typically at odd hours.
A modern hospital cannot operate without internet access. Even a medical practice with a single doctor needs it these days so they can file insurance claims, access medical records from referred patients and all the other myriad reasons we use the internet today.