(1) He then began to hyperventilate and allegedly fainted and hit the car in front of him.(2) Her mouth moved opened and closed with each breath, coming in such rapid fire that she was sure she would hyperventilate any second.(3) In times of extreme stress, people may shake uncontrollably, hyperventilate (breathe faster and deeper than normal) or even vomit.(4) I started to hyperventilate and couldn't breathe.(5) Taking deep breaths she began to hyperventilate , but in a more discreet way.(6) Subjects may hyperventilate for several minutes before diving to increase underwater time.(7) it was one less thing to hyperventilate about(8) This compensation is usually excellent, as most asthmatics hyperventilate during an episode of wheezing with dyspnea.(9) she started to hyperventilate under stress(10) To find out if you over-breathe or hyperventilate the device includes a procedure for measuring your volume of lung ventilation.(11) She began vomiting, hyperventilating , and convulsing.(12) Also required are mantras that can pace inhalations and exhalations, so as not to give the impression of hyperventilation .(13) And it would cause the hyperventilation to go away.(14) I crawled away and knelt on the deck, trying to slow my breathing before I hyperventilated .(15) I recognised him and tried to say something but just ended up shuddering and gasping breaths, hyperventilating .(16) Patients can reproduce these spells by hyperventilating in a controlled environment.