Excessive or uncontrolled hyperventilation is dangerous because it can lead to:

Excessive or uncontrolled hyperventilation can be particularly dangerous because it leads to a significant decrease in carbon dioxide levels in the blood, a condition known as respiratory alkalosis. This drop in carbon dioxide can disrupt normal physiological functions, leading to symptoms such as lightheadedness, confusion, and in severe cases, unconsciousness. When the brain is deprived of the necessary balance of oxygen and carbon dioxide due to hyperventilation, it can result in fainting or loss of consciousness, which poses serious risks, especially in a diving environment where it can lead to dangerous situations underwater.

Maintaining proper breathing patterns is essential, as hyperventilation not only affects oxygen delivery but also can trigger panic, further exacerbating the issue. Understanding the effects of hyperventilation emphasizes the importance of controlled breathing while diving to avoid such dangerous outcomes.