Is it right for a doctor to post a selfie with a patient's image in the background on social media?

This photo of a medical doctor taking a selfie with his patient in the background caused some kind of argument on Facebook today. Some felt his action was unprofessional and asked him if it was ethical to do such. His response was more of self-defense and counter criticism. See that after the cut...

Now the question is…with regard to professionalism and the Hippocratic oath sworn by medical doctors, can the doctors action be justified? The photo he posted below...