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Section 4 of 15

Hyperventilation, trapped gas and poisons

(Human Physiology and High Altitudes)

Hypoxia is the headline, but altitude and pressure cause four more problems that the exam loves: hyperventilation, decompression sickness, carbon monoxide poisoning and barotrauma. Two of them (hyperventilation and CO) can fool you into thinking you have something else, so the theme of this section is telling them apart.

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