Keep in mind that when in someone's home, your behavior is clearly on display, both when actively treating your patient, and when in 'down time.' It is legal in Missouri also for a person to record a conversation without the other party's consent.
Now, if she then publicly posts the photos and makes damaging, untrue statements, such as on Facebook, you may have a cause of action for defamation. Though, the absolute defense to defamation (sometimes called libel or slander) is that the matter published is true.
You may want to contact an attorney and give them more detail than is wise on this open forum.