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22 Cards in this Set
- Front
- Back
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which muscles have the most myoglobin
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those that use lots of aerobic respiration
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Where does the acid in the body come from
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catabolism of molecules
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pka of carbonic acid equation
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6.1
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preferred state at pka of the carbonic acid equation
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negative, more carbonate
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For every mm of pCO2 there is how much HCO3
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.03 mMol
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Respiratory dzs stem from an inappropriate release of
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CO2 (messes up H2CO3 balance)
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Metabolic dzs stem from altered
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plasma HCO3 due to excessive intake, production, or loss of HCO3 or inappropriate handling of H+ and anions
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How to measure carbonic acid equation
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arterial blood gas, analyze within 20-30 minutes. put on ice immediately
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How is HCO3 measured?
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its not, must be calculated via henderson hasselbach
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Most ABGs are accompanied with what electrolyte data
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Na, K, Cl
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Anion gap
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unmeasured anions = net charge difference between all measured cations and all measured anions
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Normal anion gap reference range
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8-18mM
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ph at acidosis
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below 7.36
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ph at alkalosis
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7.44
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Metabolic acidosis value
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acidotic pH
PaCO2 below 40mm |
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metabolic alkalosis value
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alkalotic pH
PaCO2 above 40 mm |
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Respiratory acidosis value
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acidotic pH, PaCO2 above 40 mm
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respiratory alkalosis values
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alkalotic pH
PaCO2 below 40mm |
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Why can it be dangerous to treat respiratory acidosis with O2
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can take away stimulus to breath
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symptoms of respiratory acidosis
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somnolence, cerebral edema, cyanosis, hypoxemia
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MUDPILES anion gap
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metabolic acidosis (anion gap)
Methanol, Uremia, Diabetic KA, Paraldehyde, INH (iron), lactic acid, ethanol, salicylates |
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HARDUP (non-anion gap)
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hypertonic saline, acetazolamide, renal tubular sclerosis, diarrhea, ureteral diversion, pancreatic fistula
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