Acidosis resident survival guide: Difference between revisions
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==Management== | ==Management== | ||
{{familytree/start}} | {{familytree/start}} | ||
{{familytree | | | | | | | | | A01 | | | | | |A01='''pH<7.35'''}} | {{familytree | | | | | | | | | A01 | | | | | |A01='''pH < 7.35'''}} | ||
{{familytree | | | | | | | | | |!| | | | | | | | }} | {{familytree | | | | | | | | | |!| | | | | | | | }} | ||
{{familytree | | | | | | | | | B01 | | | | | |B01='''Acidosis'''<br>(High [H<sup>+</sup>])}} | {{familytree | | | | | | | | | B01 | | | | | |B01='''Acidosis'''<br>(High [H<sup>+</sup>])}} | ||
Revision as of 01:01, 2 August 2013
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Definition
Acidosis occurs when the pH is less or equal to 7.35 due to excess of hydrogen ions.
Causes
Life Threatening Causes
Common Causes
- Diabetic ketoacidosis
- Diarrhea
- Ethylene glycol
- Lactic acidosis
- Methanol
- Renal tubular acidosis
- Salicylates
- Uremia
Management
| pH < 7.35 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Acidosis (High [H+]) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Determine the primary disorder Metabolic or respiratory? | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Check [HCO32-] and PaCO2 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Low [HCO32-] and Low PaCO2 | High [HCO32-] and High PaCO2 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Metabolic acidosis | Respiratory acidosis | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Check for respiratory compensation Calculate expected PCO2 | Check for renal compensation Calculate expected HCO32-] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Decrease in PaCO2=1.25 x (24- measured HCO32-? | Acute acidosis? Increase [HCO32-]=0.1 x (measure PaCO2-40)? | Chronic acidosis? Increase [HCO32-]=0.1 x (measure PaCO2-40)? | |||||||||||||||||||||||||||||||||||||||||||||||||
| E01 | E02 | E03 | E04 | E05 | E06 | ||||||||||||||||||||||||||||||||||||||||||||||