This is mitigated quite a bit by tracking the source of information, and adding rather than ever deleting any data. A patient can (and should!) be able to corr

This is mitigated quite a bit by tracking the source of information, and adding rather than ever deleting any data. A patient can (and should!) be able to correct the doctor's notes reporting the patient's experience (symptoms, priorities, etc.), and self-reported medical history. The patient would not be able to edit lab results, or the doctor's own notes from a physical examination, or prescriptions, and so on, though they could be able to add comments (again, clearly sourced). Just as all data from doctors, labs, etc. is clearly sourced.