רמת מבחן לחץ חלקי גבוה של חמצן. What does higher than normal oxygen partial pressure altitude mean?

Upper limit of oxygen partial pressure (po2) is 105mmHg(a) (or 40mmHg(v)).

The state of raised oxygen partial pressure is known as oxygen toxicity syndrome, oxygen intoxication, and oxygen poisoning.

Oxygen toxicity is caused by exposure to oxygen at partial pressures greater than those to which the body is normally exposed. Some symptoms are nausea, ringing in the ears, dizzines, etc.