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NECC Interpret ABG09
Question | Answer |
---|---|
What is the first step before doing a ABG? | check the chart to comfirm order and indication |
After a major change in ventilatory support how long it should be waited to do a ABG? | 20-30 minutes |
What is the preferred site for adults ABG's drawn? | Radial artery |
What is the longest time a ABG sample could go( without ice)without being analyzed? | 15 minutes |
PH lower than 7.35 | acidemia |
PH higher than 7.45 | Alkalemia |
What test is perform to comfirm collateral circulation before doing ABG? | Allen Test |
What is a adequate amount of blood for a ABG sample? | 2-4 ml of blood |
Normal PaCO2 | 35-45 mmhg |
Normal PH | 7.35-7.45 |
Normal HCO3- | 22-26 meq/l |
Interpret the fallowing ABG: PH 7.40 PaCO2 40 HCO3- 24 | normal |
Interpret the fallowing ABG: PH 7.25, PaCO2 60, HCO3 26 | Respiratory Acidosis |
Interpret the fallowing ABG: PH 7.50 PCO2 44 HCO3- 35 | Metabolic alkalosis |
Interpret the fallowing ABG: PH 7.25 PCO2 36 HCO3- 13 | Metabolic Acidosis |
Interpret the fallowing ABG: PH 7.60 PCO2 22 HCO3- 24 | Respiratory Alkalosis |
Some causes of metabolic acidosis? | diarrhea, starvation, diabetic ketoacidosis |
When results of ABG the PH and the PCO2 are going in the opposite direction there is always? | Respiratory component |
Interpret the fallowing ABG: PH 7.50 PACO2 27 HCO3- 24 | Respiratory alkalosis |
Interpret the fallowing ABG: PH 7.38 PCO2 62 HCO3 24 | Respiratory acidosis |