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Environmental Physiology Midterm > Avalanche burial > Flashcards

Avalanche burial Flashcards

1
Q

Physiological stresses immediately faced

A

Hypoxia
Hypercapnia
Hypothermia
Compression from snow
Any blunt force trauma

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2
Q

Hypoxia

A

Progressive reduction in inspired PO2
Severe hypoxia challenges cerebral oxygen delivery (causing neuronal cell death or hypoxia induced cardiac arrect)

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3
Q

Hypercapnia

A

Progressive increase in inspired CO2
Metabolically produced and accumulating in the air pocket/snow
Profound increases in CO2 can cause CO2 narcosis and ionic

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Environmental Physiology Midterm (4 decks)

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