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27 Cards in this Set
- Front
- Back
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Fluids comprise ____% of TBW
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60%
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What percentage of the fluids in body is extracellular? (60% of TBW is fluid)
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35%
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What percentage of fluids in the body is intracellular?
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65%
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Extracellular water is made up of
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Interstitial and plasma volume
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Draw fluid volume distribution slide 3 of Vascular Access (AP1)
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see slide
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Intracellular volume is made up of
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RBC (2L) and other cells
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of equal tension. denoting soln that has the same tonicity as another soln for which it is compared
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isotonic
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tonicity relates to the number of ____________ _____ found in the solution
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non penetrating
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hypertonic indicates having
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a higher concentration of solute particles per unit volume
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if cells are placed in a hypertonic soln, what do they do?
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shrink
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hypotonic soluntions have a ________
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lower contration of solutes
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in hypotonic solutions cells
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expand
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ex of an isotonic sln
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plasmalyte
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ex of a hypertonic sln
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NaCl
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ex of a hyptonic sln
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LR
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Third spacing is when the
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fluid leaves the vascular for the intersitium; inflammation a big reason
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For every 1 cc of blood lost, we must replace it with ____. colloid is___ per ___
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3 cc of crystaloid; colloid is 1cc per 1cc of blood
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3rd spacing fluid managment rule
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minimal: 2-4mg/kg/hr
moderate: 4-6 mg/kg/hr severe: 6-8mg/kg/hr |
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craniotomy 3rd spacing calculation
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6mg/kg
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breast excision 3rd spacing calculation
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4mg/kg
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abdominal 3rd spacing calc
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8cc/kg/hr
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3rd spacing calc for major intra-ab sx, hemmoragic shock, burns, and sepsis
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8cc/kg/hr
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which crystalloid may cause metabollic acidosis/hypercholeria?
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NaCl
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how can LR cause metabollic acidosis?
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liver failure pts can't convert lactate to bicarb so metabolic acidosis
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how can dextrose cause metabollic acidosis?
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increases lactate production in critically ill
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maintenance fluid req for a 6.5 kg baby? 18kg?
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26cc/hr; 56cc/hr
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Do case problem on slide 52 of fluids and electrolytes
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see slide
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