IV Fluids

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    Hello! I'm having a trouble with IV fluids. I'm a first semester nursing student. Our final is in 2 weeks, I may pass the exam by memorizing the types of solutions, conditions, etc; however, I reaaaaaaaaaally would like to understand and digest the subject. I've read the textbook, read something from this website (from previous concerns and questions) but it haven't clicked yet! I don't know maybe it is related to my lack of concentration lately or one those blah moments, but I need help. It would be deeply appreciated if someone can help me or recommend me a book, website, or I don't know something!!! IV fluids (colloids vs. crystalloids) advantages ; disadvantages??? Why? How? God, what's wrong with me?
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    Quote from fatula
    Hello! I'm having a trouble with IV fluids. I'm a first semester nursing student. Our final is in 2 weeks, I may pass the exam by memorizing the types of solutions, conditions, etc; however, I reaaaaaaaaaally would like to understand and digest the subject. I've read the textbook, read something from this website (from previous concerns and questions) but it haven't clicked yet! I don't know maybe it is related to my lack of concentration lately or one those blah moments, but I need help. It would be deeply appreciated if someone can help me or recommend me a book, website, or I don't know something!!! IV fluids (colloids vs. crystalloids) advantages ; disadvantages??? Why? How? God, what's wrong with me?
    What, particularly, do you find difficult? Calculating rates? Tonicity?


    A colloid is a mixture with heavy, evenly dispersed molecules (typically protein) whereas a crystalloid is typically a salt-based solution with dissolved molecules.

    Colloids are useful primarily for re-establishing proper pressure gradients at the level of the capillary. Remember oncotic and osmotic pressures from A&P? Colloids can't cross the capillary membranes very well, so interstitial water is forced to diffuse into the vascular system.

    Crystalloids are all your normal solutions you use- NS, LR, D5NS, and so on.
    Last edit by hypocaffeinemia on May 26, '08
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    thank you. I guess I should have started my question/concern with fluid and electrolyte balance. It all begins with FL and electrolyte balance
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    what do you want to know about IV fluids?
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    I want to understand the subject; so I can be comfortable. As you can imagine knowing is different than understanding. My main problem is with electrolytes and fl balance. I feel like I understand the concept and whenever I'm facing with a case study asking what kind of IV fluid might be used, it becomes challenging. I don't want to answer the question from memory, that is my problem.
    Thank you for asking.
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