Which condition related to scuba diving should also be included in first aid measures for an unconscious diver?

Including decompression sickness as a condition in first aid measures for an unconscious diver is crucial because this medical emergency arises from the formation of gas bubbles in the bloodstream as a result of rapid ascent during a dive. When a diver ascends too quickly, nitrogen that has been absorbed by the body can come out of solution and form bubbles, leading to serious complications.

If a diver is found unconscious, it’s essential to suspect that they might be experiencing decompression sickness, especially if there has been a rapid ascent or if they have been diving at depths where the risk is elevated. First aid for decompression sickness often includes administering high-flow oxygen and transporting the diver to a hyperbaric chamber for treatment, which is a critical step in managing this condition effectively.

While muscle cramping, drowning, and fatigue are also important considerations in diving safety and first aid, they do not directly account for the drastic and acute risks posed by decompression sickness involving the potential for severe long-term injuries or even death if not addressed promptly.