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g-force induced loss of consciousness (abbreviated as G-LOC, pronounced "JEE-lock") is a term generally used in aerospace physiology to describe a loss of consciousness occurring from excessive and sustained g-forces draining blood away from the brain causing cerebral hypoxia.
One type of hypoxia related syndrome is mountaineering disease. A non-acclimated person that stays for a significant amount of time at a high altitude can develop high erythrocytes and hematocrit. Pulmonary arterial pressure will increase even if the person is acclimated, presenting dilatation of the right side of the heart.
Silent hypoxia (also known as happy hypoxia) [1] [2] is generalised hypoxia that does not coincide with shortness of breath. [ 3 ] [ 4 ] [ 5 ] This presentation is known to be a complication of COVID-19 , [ 6 ] [ 7 ] and is also known in walking pneumonia , [ 8 ] altitude sickness , [ 9 ] [ 10 ] [ 11 ] and rebreather diving .
On October 25, 1999, a chartered Learjet 35 business jet was scheduled to fly from Orlando, Florida, United States to Dallas, Texas, United States.Early in the flight, the aircraft, which was climbing to its assigned altitude on autopilot, lost cabin pressure, and all six on board were incapacitated by hypoxia, a lack of oxygen in the brain and body.
In more severe cases, hyperbaric oxygen therapy following standard recompression protocols is indicated. Decompression sickness in aviation most commonly follows flights in non-pressurized aircraft, flights with cabin pressure fluctuations, or in individuals who fly after diving. Cases have also been reported after the use of altitude chambers.
India’s aviation agency mandated all aircraft flying in and out of the country have a system to help avoid collisions. The mandates paved the way for traffic collision avoidance systems to be ...
Hypoxia is a common disorder but there are many possible causes. [8] Prevalence is variable. Some of the causes are very common, like pneumonia or chronic obstructive pulmonary disease; some are quite rare like hypoxia due to cyanide poisoning.
Decompression incidents do not occur solely in aircraft; the Byford Dolphin accident is an example of violent explosive decompression of a saturation diving system on an oil rig. A decompression event is often the result of a failure caused by another problem (such as an explosion or mid-air collision), but the decompression event may worsen ...