the damage irreparable. and paramjit has to get a new heart. rocky rockenback also gets burned in the hospital when doctors turn his throat into a blowtorch. here's how it happens. during surgery a balloon is inflated in rocky's throat to block anesthesia gases from rising up. a surgeon's laser punctures a hole in the balloon. the gases flow into rocky's throat. instead of stopping the surgery the doctor continues. the laser's heat sparks the gases and fire explodes. now rocky has to breathe with a plastic tube. how could a hospital burn a patient in a surgery? >> these accidents usually occur because of multiple errors that occur in setting up for the operation. because there's a lot of equipment that involves electricity, that involves the use of gases and other things that are flammable.