QR Codes could be used in Radiology as follows:
1. added to posters and other marketing paraphenalia
2. add to the bottom of reports to communicate any info
3. use it to give patients directions to practices via google maps
4. use for roster links
If you (like me) need some more info, here it is:
---Generate a QR code (pretty easy)
http://qrcode.kaywa.com/
http://invx.com/
---Read a QR code
your Android or iOs device may have a QR scanner built in, otherwise head to the Android market or iPhone app store and search for QR code scanner
---More info
http://www.labnol.org/internet/tools/qr-codes-share-text-inside-images/3867/
http://www.wisegeek.com/what-is-qr-code.htm
--Marketing Advantages:
http://www.socialmediaexaminer.com/how-qr-codes-can-grow-your-business/