The standard and most wildly used input is
point-click on a term specific pull down lists from terminals in the
examination rooms connected to a central server via LAN (Local Area
Network).
Any speech recognition software may be used by simply
clicking into an area and dictating.
Windows based pen-tablet
PC's may be used as a mobile device between examination rooms but today
wireless technology, at generally acceptable prices only runs at about
half the speed of a LAN.