Does pacemaker cause any problems with airport metal detectors?

Yes: You need to be hand screened -- and remember to tell them when you arrive. It will set them off -- and that will just delay you. You will be hand-screened or searched. The microwave technology does not do a good job determining what the pacemaker is, although it is getting better.

Yes.: A pacemaker will set off the airport metal detector. It may also inhibit pacemaker function briefly as you walk through. Just show the security agent your pacemaker wallet card, and they will probably walk you around the detector and perform a hand pat-down.