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I am writing here because I haven't joined the group and therefore can't reply directly to your thread.
Maybe you find smart pen as a better option. Even though doctors use speech recognition techniques to record the patient data, they tend to write it more in details. They feel that they are safer when they write down complains, symptoms etc.
Maybe you will try this option http://www.livescribe.com/en-gb/smartpen/
While writing you acquire digital format of the written data and the pen itself has speech recording function. Maybe you will record your speeches during the day and use speech recognition software on your normal desktop later for transferring recorded data to computer, preferably to EHR.