Before it was recognized by the operators, the complication was identified by members of a panel and an audience who were watching the procedure remotely.
The Medscape article with a link to the video of the procedure is available here.
Live broadcasting of procedures—is it really educational; is it just self-promotion; is it marketing?
Several societies have published guidelines for live broadcasts of operations and procedures, and some papers have discussed the ethics of the practice. I won't get into those areas.
Here are some things to consider.