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Acclimatization and Altitude Illnesses

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Title: Acclimatization Author: Louisville Collegiate Last modified by: Jodi Day Created Date: 1/9/2012 6:43:42 PM Document presentation format: On-screen Show (4:3) – PowerPoint PPT presentation

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Title: Acclimatization and Altitude Illnesses


1
Acclimatization and Altitude Illnesses
2
acclimatization
  • The physiological adaptation of an animal or
    plant to changes in climate or environment, such
    as light, temperature, or altitude.

3
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4
The human body must adjust gradually to the lower
oxygen concentration at altitude.
5
Ten Rules for Acclimatizing
6
1. Increase altitude gradually.
7
2. Consume lots of liquids while trekking.
8
3. Avoid alcohol, smoking and using sleeping
tablets.
9
4. Use preventive medicines while trekking? The
medical community isnt in accord regarding these
supplements.
10
5. Avoid overexertion from carrying overly heavy
packs.
11
6. Dont trek or climb alone.
12
7. Dont climb higher even if you are suffering
from mild symptoms of altitude sickness.
13
8. Descend immediately if your altitude sickness
symptoms get worse.
14
9. Never leave anybody alone with signs of
altitude sickness.
15
10. Dress warmly when trekking and dont
overexert yourself.
16
Take every precaution. No medical exam can
predict how you will respond at altitude.
17
Acute Mountain Sickness
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Bottled oxygen and Diamox can sometimes help, too
. . .
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. . . But in severe cases, get down! DESCEND!
23
High Altitude Cerebral Edema excess fluid in the
brain.
24
Dex and a Gamov bag can help
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. . . and get down! DESCEND!
27
High Altitude Pulmonary Edema excess fluid in
the lungs.
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29
Treat HAPE with Nifedipine
30
a Gamov Bag
31
. . . and get down! DESCEND!
32
Hypoxia oxygen deprivation of the body.
33
Cerebral hypoxia is common at altitude.
34
Altitude hypoxia mimics Alzheimers . . .
  • but altitude hypoxia can be reversed!

35
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36
Climbers with hypoxia can experience
inattentiveness confusion hallucinations
delusions poor judgment uncoordinated movements
37
The Stroop Test helps measure cognitive response
at altitude.
38
But in severe cases of hypoxia, the climber must
get down! DESCEND!
39
Other Issues at altitude
40
Blood Clots
41
Hypothermia abnormally low body temperature.
42
Hypothermia wrap to preserve body heat.
43
Khumbu Cough dry air at altitude irritates the
respiratory tract.
44
Cracked ribs can result from strong coughs.
45
Ataxia lack of muscle coordination caused by
oxygen deprivation.
46
Some Graphic Images Next!
47
Frostnip a mild form of frostbite affecting the
surface skin.
48
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49
Frostbite skin and other tissues are damaged by
freezing.
50
Frostbite with Necrosis
51
Effects of Frostbite
52
Given all the risks, would you still want to
climb?
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