Would an average "new" patient have the slightest clue about how to describe an ailment? Feel pain in chest= Watson's instant heart ailment regimen that dispenses nitro glycerin on the spot?
It could work if the "new" patient were in the medical profession and had some idea how to phrase the question in the form of an answer..
Patient: "It hurts when I do this"
Watson: "What is, don't do that?"
Applying an over sweeping remedy to an issue that is really just an issue within his limited domain. Nothing to see here, please mute your phones so as not to alert the Federation of Lawn Mowers and their equally earnest effort to ban rocks in lawns...