Rarely (about once a year or so) one of my patients needs Electro Convulsive Therapy (ECT). It's a contentious topic to some folk that I'll whitter about another time. When folk have ECT they're asleep. An anaesthetist (a doctor with decades of training and experience) gives them an anaesthetic, they drift off, they have ECT for however many seconds then they wake up and life's getting better for them.
This preamble is simply to introduce what anaesthetists (the gasmen) do since this is the funniest thing I've seen for ages and simply has to be shared :