A diary written by a patient of family member can be a powerful tool for the plaintiff in a medical malpractice or nursing home case. In fact, some plaintiff attorneys encourage patients and families to keep a diary.  Or, a diary can be a powerful tool for the defense; some plaintiff attorneys discourage patients and families from writing a diary.  Part of your job as a legal nurse consultant is to determine if the patient or family diary is an asset or a liability to your side. Learn more.