A routine visit to the doctor ended in confusion Monday when Ray Lyons was asked to undress for an examination that did not seem to require disrobing. 'He asked me about my smoking and my sleep patterns and stuff, then he looked in my ears and throat, and checked my heartbeat with his stethoscope, and that was it,' the baffled, nude Lyons said. 'Would having my pants on somehow affect my heartbeat?' 