I know someone who was having a tympanogram (spelling?) - no, it was not an audiogram, this is what she told me, before anybody says anything! - and the audiologist, who she had not seen before, played the sounds a lot louder than she expected in her ears. She complained her usual audiologist who she saw not long after, and the audiologist told this person I know, who is actually studying for Au.D and wears hearing aids, that the matter would be "investigated", but as far as I know, this person I know has not heard from the hospital where this happened.