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10 Cards in this Set
- Front
- Back
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Sodium levels
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135 - 145 mEq/L
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Sodium - functions
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Primary determinant of ECF
causes osmosis of fluid through semi-permeable cell membranes Control water distribution in the boby Electromachenical fx of muscle contraction and nerve impulse transmission |
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Sodium regulation
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Through the renal system
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Hyponatremia
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Sodium levels < 135 mEq/L
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Hyponatremia:
causes |
sodium intake deficiency
excess sodium loss - excessive water intake, sweating, vomiting, diarrhea, diuretics, burns, adrenal insufficency, lithium use |
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Hyponatremia:
lethal low levels |
Sodium levels < 110 mEq/L
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Hyponatremia:
Subjective S&S & Nx |
S&S: headache, anxiety, decrease saliva production, thirst, nausea, cramps
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Hyponatremia:
skin / mucous membranes S&S & Nx |
S&S: poor skin turgor, sunken eyeballs
infant - sunken fontanels NX: skin assessment |
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Hyponatremia:
neurologic S&S & Nx |
S&S: headache, lethargy, muscle weakness, muscle twitching, seizure, coma
Nx: neuro assessment |
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Hyponatremia:
VS S&S & Nx |
S&S: decreased BP
Orthostatic hypotension Nx: frequent VS caution getting up |
