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SaO2
Percentage of hemoglobin binding sites with oxygen
PaCO2 up 10
Ph down 0.08
HCO3 vs CO2
Co2 for anion gap, hco3 for blood gas. hco3 is lower
BE/BD
Be is positive, higher base
High Cl excretion
HCo3 retention, metab alk
Metabolic acidosis comp
40-1.3(dif from 24)
Metabolic alkalosis comp
40 +0.6(diff from 24)
Metabolic acidosis -anion gap causes
Methanol, urea, diabetic ketoacid, paraldehyde, ischemia/isonazid, lactic acid, ethylene glycol, salicylates/starve
Metabolic acidosis non anion causes
diarrhea, cacl, rapid na correct
Meds for lactic acid
metformin, linezolid, propofol, diluent in lorazepam, barbitals
LR stats
130meq, 6.5
NS Stats
154 meq, 5.5
Plasmalyte A
140, 7.4
Dextrose
pH 5
Metab Acidosis treatment <7.2, <8
Sod bicarb or sod acetate w/liver
Metab Alkalosis causes
vomiting, diuretics, excessive sodbicarb
Metab alkalosis treatment
bolus unless ht/renal fail, acetazolamide + K if <3.5, arginine chloride (if good liver/renal)
Resp acid causes
Stroke, opioids, asthma/copd, brainstem injury, tpn
Resp alk causes
Pain, anxiety, anemia, high altitude