A patient unique QR code would need to be kept with the patient at all times in an easily visible place. Maybe a good solution for the long term but would requi

A patient unique QR code would need to be kept with the patient at all times in an easily visible place. Maybe a good solution for the long term but would require a lot more changes/training to ensure the codes stayed with the patient. On the flip side most hospitals already have a pretty reliable system for tracking which patients are assigned to which room so this approach can leverage the existing infrastructure and process.