Chinese doctors have claimed to perform surgery with acupuncture as the only anaesthetic. This is a claim which is difficult to test. In some cases at least, the claim has been fraudulent, because morphine, or other sedatives were delivered through a drip. In 2006, a BBC documentary "Alternative Medicine" filmed a patient undergoing open heart surgery allegedly under acupuncture-induced anesthesia. It was later revealed that the patient had been given a cocktail of anesthetics.