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P50 and hemoglubulin

2K views 6 replies 4 participants last post by  val7 
#1 ·
does P50 decrease by decreasing hemoglobin concentration ?? and why ???
 
#6 ·
this is question in NBME 12
it asks which decrease with anemia , I know no direct relation to P50 , but id HB decrease that would decrease the P50 required for HB saturation ????

there was also another option which is decrease arterial O2 binding capacity , which was choosen by the key and I could not undertand why??
 
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