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OXYGEN-HEMOGLOBIN CURVE

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laracrystalo's version from 2015-06-12 21:53

DON'T MESS THIS UP :)

Question Answer
taut R shift
more unloading O2R shift
alpha and beta parts of Hb get closerR shift
decreased Hb-O2 affinityR shift
O2 to tissuesR shift
increased 2,3 DPGR shift
increased H+R shift
increased CO2R shift
decreased pHR shift
bohr effectR shift
exerciseR shift
altitudeR shift
increased temperature R shift
anemiaR shift
decreased hemoglobinR shift
bind O2L shift
relaxed conformationL shift
alpha and beta parts of Hb move apartL shift
increased Hb-O2 affinity L shift
HbFL shift
COL shift
cyanideL shift
increased pHL shift
decreased H+L shift
decreased CO2L shift
decreased tempL shift
polycythemia L shift
decrease 2, 3 DPGL shift
less O2 unloadingL shift
decreased p50 of Hb for O2L shift
increased p50 of Hb for O2R shift
labs for CO poisoningnormal PaO2, decreased O2 sat
cherry red skinCO poison
chocolate colored bloodmethemoglobinemia
lab of methemoglobinemianormal PaO2 and low O2 sat
what affects PaO2 levels?hypoventilation --> decreased PaO2 (breathing rate affects it and also diffusion capacity!)
Hemoglobin sicklingR shift
memorize

perfusion or diffusion limited?

Question Answer
O2 in healthy personperfusion
CO2perfusion
N20perfusion
O2 in emphysema or fibrosisdiffusion
COdiffusion
exercisebecomes more diffusion limited
what does perfusion limited look like on a graph?gas equilibrates along the length of the capillary
what does diffusion limited look like on a graph?gas does not equilibrate by the time blood reaches the end of the capillary
memorize

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