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Graham's law
Diffusion, alveoli,
Henry's law
Henry winehards, soda, Decompression sickness, amt of gas dissolved in a
solution is proportional to gas over solution.
Nitrogen washout
1800 ft
Scuba diving
24 hours
4 types of decompression sickness.
Chokes resp, staggers neuro, creeps parenthesis , bends joints
Why would you bifurcate a cast
Swelling with altitude
,Hypoxia hypoxia
Insufficient 02
Hype mic hypoxia
Inability or lack of Rac to carry 02
Stagnant hypoxia
Blood flow, pooling, take off /landing
Histotoxic
Off loading at cellular level, narcotics, alcohol, sepsis
Stages of hypoxia
Indifferent 10000 may not need
supple,emt 10-15
15-20
Critical 20-30
Tuc
15 30 min
20 10 min
25 3-5 min
30 1-2 min
35 30-60
40 15-20
, Positive g
Pulls you into your seat
Negative g
Pulls you out of your seat
Burp
Backwards upper wards right wards pressure
Cricoid cartilage
Only full ring cartilage
Tune depth
2-4 cm above the carina. 3 X tube size.
Mean airway pressure
-5/-8 under normal physiology. Not positive.
Normal I:e
1:2. Full in, full out