ABG's

Question 1

Respiratory Acidosis (↓ pH, ↑ CO₂)

Answer 1

Causes: COPD, hypoventilation, pneumonia, narcotics overdose
S/S: Confusion, lethargy, rapid shallow breathing

Question 2

Respiratory Alkalosis (↑ pH, ↓ CO₂)

Answer 2

Causes: Hyperventilation, anxiety, PE, fever, pain
S/S: Dizziness, numbness, tingling

Question 3

Metabolic Acidosis (↓ pH, ↓ HCO₃)

Answer 3

Causes: DKA, kidney failure, diarrhea, lactic acidosis (shock)
S/S: Kussmaul respirations (deep, rapid), confusion

Question 4

Metabolic Alkalosis (↑ pH, ↑ HCO₃)

Answer 4

Causes: Vomiting, excessive NG suctioning, diuretics, antacid overuse
S/S: Weakness, muscle cramps, hypoventilation

Question 5

pH 7.30, CO₂ 50, HCO₃ 24

Answer 5

Respiratory Acidosis (COPD, hypoventilation)

Question 6

pH 7.48, CO₂ 30, HCO₃ 22

Answer 6

Respiratory Alkalosis (Hyperventilation)

Question 7

pH 7.28, CO₂ 38, HCO₃ 18

Answer 7

Metabolic Acidosis (DKA, kidney failure)

Question 8

pH 7.49, CO₂ 44, HCO₃ 28

Answer 8

Metabolic Alkalosis (Vomiting, diuretics)