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Resp 2.12 II

ABG evaluation (powerpoint notes)

QuestionAnswer
pH 7.35-7.45 A-B
PaCO2 35-45 B-A
HCO3 22-26 A-B
Causes of Respiratory Acidosis Build up of CO2 in blood (not enough BPM), hypoventilation, increased dead space
Correct Respiratory Acidosis increase # of BPM, increase size of breaths, and decrease dead space
Causes of Respiratory alkalosis Must have low amount of CO2 in blood, hyperventilation, pain, anxiety
To correct respiratory alkalosis decrease # of BPM, medication for pain, and treat anxiety
Causes of metabolic acidosis low amount of HCO3 in blood, diarrhea, aspirin toxitiy, diabetes, renal failure
To correct metabolic acidosis stop/correct whatever is causing, medication for diarrhea, treat renal failure
Causes of metabolic alkalosis increase in HCO3 in blood, vomitting, NG suctioning, ingestion of NaHCO3
To correct metabolic alkalosis stop/correct vomitting, discontinue NG suction, stop NaHCO3
Oxygenation PaO2, measured only of oxygen dissolved in plasma. subtract 1 mmHg for each year over 60 to get normal for senior citizen
Correct hypoxemia oxygen level is normal, if it took supplemental oxygen to get it there
uncorrected hypoxemia if pt is on supplemental oxygen and their PaO2 is NOT within normal limits
Normal oxygenation 95-97%
SaO2 determined by PaO2, body temp, and pH
SaO2 amount of oxygen attached to and carried by hemoglobin
Created by: TnJFarrington12