Intro
Barometric pressure at sea level?
760 mmHg
Any side effects to training at sea level?
no
Respiratory alkalosis=?
High blood PH
What changes?
CVS, Skeletal muscle
symptoms of mountain sickness?
headache, vomiting, insomnia
what does PO2 stand for?
Partial pressure of oxygen
What affects does moderate altitude have?
Performance and aerobic capacity decrease
____ gas exchange at muscles
decreased
How long to acclimate at moderate altitude?
3 weeks
causes of altitude sickness?
low ventilatory response to altitude
Low 02 levels in tissues?
Hypoxia
When would someone experience acute mountain sickness?
High altitude 9800ft-18000ft
what is hyperventilation
Increased ventilation at altitude
How long is red blood cell count elevated?
3+ months
headache most common symptom?
continuous and throbbing
low 02 levels in your blood
Hypoxemia
What does snow reflect?
Solar radiation
What does not limit gas exchange with blood
Pulmonary diffusion
What is ventilation rate raised to?
40% higher than sea level
what is common in athletes?
altitude sickness insomnia
Reduced PO2 at altitude limits ....
Performance
Every 500ft ascent how mcuh does the temp decrease by?
1C
decreased Qmax=?
Decreased SVmax x decreased HRmax
Hematocrit at 140000ft?
60%
altitude can cause what 2 life threatening symptoms?
HAPE/HACE