I don't think carpal tunnel syndrome explains all your symptoms either. Carpel tunnel is a type of neuropathy but it's probably part of another neurological problem. I hope the doc finds out more after these new tests. Let us know what you find out.
Actually, carpal tunnel is a quite common nerve entrapment, of the median nerve in the carpal tunnel at the wrist to be precise. It's usually not associated with other neurological problems, as it is a mechanical, local problem, easily corrected by a relatively small procedure where you open the carpal tunnel...
This will only explain the tintling or numb sensation in your fingertips, typically occurring at night, but also during the day...
