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Old 03-11-2016
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Default Albumin ??

Hello everyone , hope your studying is going well ,, can someone please tell me how albumin expands volume ??
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Old 03-12-2016
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"Colloids preserve a high colloid osmotic pressure in the blood..." Gregory S. Martin (2005-04-19). "An Update on Intravenous Fluids".

Albumin is a common colloid used for this purpose.
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Old 03-12-2016
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Thank you so much
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Old 03-15-2016
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It's a game of pressures (4) :
1. Hydrostatic pressure in the capillary
2. Oncotic pressure in the capillary
3. Interstitial hydrostatic pressure
4. Interstitial oncotic

The oncotic pressure is mainly determined by albumin. It is "the force that keeps the fluid in that compartment", the compartment being either capillary or interstitium.
So high albumin in plasma means higher oncotic pressure --> less water leaves the capillaries--> expanded volume
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