What action should be taken if unusual symptoms arise during a dive?

When unusual symptoms arise during a dive, the most appropriate action is to ascend slowly and report symptoms. This approach is critical for a few reasons. First, ascending allows the diver to reduce their exposure to potential dangers at depth, such as narcosis, decompression sickness, or other conditions that may pose serious health risks.

Reporting the symptoms upon surfacing is essential as it provides vital information for any necessary medical intervention. It ensures that dive supervisors or medical personnel are aware of the situation and can offer appropriate support or decide on further action. By taking these steps, the diver prioritizes their safety and health, while also allowing for proper evaluation of their condition after the dive.

Continuing the dive might exacerbate the situation, especially if the symptoms indicate a serious issue that requires immediate attention. Signaling for assistance could be part of the overall strategy, but ascending slowly and getting to a safe depth is paramount. Breathing normally and assessing the situation may delay necessary actions that could prevent further complications. Therefore, the recommended procedure is both a safety measure and a protocol for addressing potential medical concerns during a dive.