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ABG re:

Blood gases

QuestionAnswer
When the blood gas is compensated, the pH is ? within normal limits
When the blood gas is uncompensated, the pH is? abnormal
Normal values for pH is ? 7.35 – 7.45
Normal value for PC02 (partial pressure of carbon dioxide is? pC02: 35 – 45 mmHg
Normal value for P02 (partial pressure of oxygen)? 80-100 mmHg
Normal value of HC03 (bicarbonate)? 22 – 26 mEq/L
It's Alkalosis if: pH above 7.40
It's Acidosis if: pH below 7.40:
It's Metabolic if : HCO3 abnormality
It's Respiratory if: C02 abnormality
Respiratory Compensation involves: Hyperventilation or hypoventilation to alter CO2 blood levels
Metabolic Compensation involves: Reabsorbtion or elimination of H+ and HCO3− by the kidneys
Buffering: H+ + HCO3− (bicarb) ↔ H2CO3 (carbonic acid) ↔ CO2 + H2O * NaHCO3 (sodium bicarbonate)
pH: 7.173 pC02: 64** P02 : 183** HC03: 24 uncompensated respiratory acidosis
pH: 7.483 pC02: 31.9* P02: 509.8** HC03: 23 uncompensated respiratory alkalosis
pH: 7.353 pC02: 63 P02: 190** HC03: 35* compensated respiratory acidosis CO2 retainer
pH: 7.384 pC02: 49 P02: 54 HC03: 29 compensated respiratory acidosis 50/50 club COPD
pH: 7.208 pC02: 35 P02: 67 HC03: 14 uncompensated acute metabolic acidosis – lungs are trying to help out- hypoventalitating, kidneys have not kicked in to help pH
pH - 7.30 PaCO2 - 30 mmHg, HCO3 - 14 mEq/L PaO2 - 50 mmHg compensated metabolic acidosis with severe hypoxemia
Created by: UARN85