The investigators, led by Dr Katherine Chretien of the Washington DC VA Medical Center, said medical students may not be aware of how online posting can reflect negatively on medical professionalism or jeopardise their careers.

BBC: 'Tweeting' medics expose patients

Medical Director Dr Chris Burton said the trust did not rely on IT systems for safe patient care but the professionalism of its clinical staff.

BBC: Patient booking problem at Bristol hospitals 'fixed soon'