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11 Cards in this Set
- Front
- Back
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How is an anion gap measured?
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[Na+] - [Cl-] - [HCO3-]
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What is a normal anion gap?
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<12 mEq/L
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What is the use of an anion gap?
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Establish cause of metabolic acidosis
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What are causes of an anion gap acidosis?
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Keotacidosis, lactic acidosis, toxins, HHNK, uremic acidosis
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What are causes of a non-anion gap acidosis?
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Renal tubular acidosis, diarrhea, uretral diversions, intersitial nephritis, uretral obstructions, drugs (e.g. carbonic anhydrase inhibitors)
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What is the physiology of a non-anion gap acidosis?
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Loss of HCO3-
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What is the physiology of an anion gap acidosis?
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Production of acid
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What is the normal compliance of the lung?
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200 ml/cmH2O
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What is the normal compliance of the chest wall?
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200 ml/cmH2O
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What happens to the pressure/volume curve in restrictive disease?
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Shifts to the right, depressed slope
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What happens to the pressure/volume curve in obstructive disease?
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Shifts to the left, steepened slope
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