Breathlessness from hyperventilation may respond to simple reassurance.
Maternal hyperventilation helps preserve arterial oxygenation during high-altitude pregnancy.
In all patients, postoperative treatment included 24 hrs controlled hyperventilation and administration of vasodilative drugs and/or prostacyclin.
Infivecases with moderate or severe sequels, there was considerable hyperventilation at maximal work, with a ventilatory quotient of above 50.
Non-syncopal causes include metabolic disorders (hypoglycaemia, hypoxia, and hyperventilation with hypocapnia), epilepsy, and vertebrobasilar ischaemia associated with specific neurological deficits.
Resulting extreme anxiety may have led to hyperventilation and altered states of consciousness, including fainting.
This indicates an excessive washout of carbon dioxide and reflects the relative hyperventilation, which is also revealed in the increased respiratory rate.
The interviewing physician queried specifically for the presence of fainting, dizziness and hyperventilation during the attacks.
