Originally Posted by
IBMJunkman
I know a pacemaker is internal. Does it not set off the arch and show on X-ray? How does one prove it is functional and needed?
You aren't allowed to go through the arch if you are wearing a pacemaker as it can dangerously interfere with the pacemaker's functioning. You will have an internationally recognised certificate to identify yourself to airport security and you simply offer yourself for a manual search.