SELF-AWARE AND PREPARED

THE DIVER

The diver was a 45-year-old male dive instructor with approximately 300 lifetime dives. He denied taking any medication and reported no history of medical conditions.

THE DIVES

The diver was teaching an Advanced Open Water course at a local lake popular with divers. He was accompanied by his wife, who was assisting the class as a divemaster, for a series of five dives over the weekend. They completed three dives on Saturday with long surface intervals between the dives followed by a 16.5-hour surface interval before