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medic
Forum Newbie Topics: 6 Posts: 10 |
We know in case of hypersmotic volume contraction as in dehydration osmolarity increases :arrow: RBCs shrink maintaining the Hct (i.e. Hct doesn't increase as expected). In Hyperosmotic volume expansion (NaCl injection ) nothing has been mentioned about RBCs and its effect on Hct...How come?? :?:
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bluedusk
| Forum Elite Topics: 35 Posts: 217
With hyperosmotic volume expansion, water moves out from the RBC's into the hyperosmotic plasma, decreasing RBC volume. With higher ECF and lower RBC volumes, your Hct drops.
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