Contenu connexe
Similaire à Basics In Arterial Blood Gas Interpretation (20)
Basics In Arterial Blood Gas Interpretation
- 10. Henderson-Hasselbach Parameters & their normal laboratory ranges pH= [HCO 3 ]p P C02 > 26 < 35 > 7.45 Alkalotic < 22 > 45 < 7.35 Acidotic 22-26 35-45 7.35-7.45 Normal [HCO3]p (mmol/L) PCO2 (mmHg) pH
- 11. Traditional Metabolic Acid-Base Nomenclature (+) N Compensated (chronic) (+) Partly compensated (subacute) (+) N Uncompensated (acute) Metabolic alkalosis (-) N Compensated (chronic) (-) Partly compensated (subacute) (-) N Uncompensated (acute) Metabolic acidosis BE [HCO3]p PCO 2 pH Nomenclature
- 12. Traditional Respiratory Acid-Base Nomenclature N Compensated (chronic) Partly compensated (subacute) N N Uncompensated (acute) Respiratory alkalosis N Compensated (chronic) Partly compensated (subacute) N N Uncompensated (acute) Respiratory acidosis BE [HCO3]p PCO2 pH Nomenclature
- 31. Causes of Metabolic Alkalosis Hypokalemia* Ingestion of large amounts of alkali or licorice Gastric fluid loss: Vomiting, NG suctioning* Hyperaldosteronism 2 0 to nonadrenal factors Bartter’s syndrome Inadequate renal perfusion diuretics (inhibiting NaCl reabsorption)* Bicarbonate administration Sodium bicarbonate overcorrection Blood transfusion Adrenocortical hypersecretion (e.g tumor) Steroids* Eucapnic ventilation posthypercapnia * Common in the ICU
- 32. Limits of Compensation 0.5- 1/ 1 meq/L [HCO 3 - ] Metabolic Alkalosis 1- 1.5/ 1 meq/L [HCO 3 - ] Metabolic Acidosis 2- 5/ 10 mmHg PCO 2 Chronic 0- 2/ 10 mmHg PCO 2 Acute Respiratory Alkalosis 1- 3.5/ 10 mmHg PCO 2 Chronic 0.1- 1/ 10 mmHg PCO 2 Acute Respiratory Acidosis PCO 2 mmHg [HCO 3 - ] meq/L Imbalance