Anxiety is a normal emotional reaction to stress, but when it reaches overwhelming levels, it can cause physical symptoms that feel threatening, and one among them is hyperventilation.

Brandon Heggie urges EMTs and medics that, when it comes to treating head injuries with hyperventilation, you must be mindful as to when to start to use it. I remember hearing on many accounts that ...

IN their recent experiments on hyperventilation Saltzman et al. 1 found no significant changes in the serum calcium, but in the early work on hyperventilation as a cause of tetany, Grant and Goldman 2 ...

The body has a set of physiological responses to danger: the pupils dilate, respiration deepens, heart rate and blood pressure rise, muscles tense for action. The gastro-intestinal system reacts also.