NSG 430 Topic 3 For Exam 1 – Questions With
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Terms in this set (130)
Normal ABG range for pH 7.35 to 7.45.
Normal ABG range for PaCO₂ 35 to 45 mmHg.
Normal ABG range for HCO₃⁻ 22 to 26 mEq/L.
ROME mnemonic in ABG interpretation Respiratory Opposite (pH and PaCO₂), Metabolic
Equal (pH and HCO₃⁻).
ABG pattern of Respiratory Acidosis Decreased pH (<7.35) and increased PaCO₂ (>45
mmHg).
Primary cause of Respiratory Acidosis Hypoventilation leading to arterial CO₂ retention.
, ABG pattern of Respiratory Alkalosis Increased pH (>7.45) and decreased PaCO₂ (<35
mmHg).
Primary cause of Respiratory Alkalosis Hyperventilation causing excessive CO₂ elimination.
ABG pattern of Metabolic Acidosis Decreased pH (<7.35) and decreased HCO₃⁻ (<22
mEq/L).
Common clinical condition causing Diabetic Ketoacidosis (DKA) or severe diarrhea.
Metabolic Acidosis
ABG pattern of Metabolic Alkalosis Increased pH (>7.45) and increased HCO₃⁻ (>26
mEq/L).
Common cause of Metabolic Alkalosis Severe vomiting or continuous nasogastric (NG) tube
suctioning.
Uncompensated ABG status definition Abnormal pH with only one abnormal value (PaCO₂
or HCO₃⁻).
Partially compensated ABG status Abnormal pH with both PaCO₂ and HCO₃⁻ abnormal.
definition
Fully compensated ABG status Normal pH with both PaCO₂ and HCO₃⁻ abnormal.
definition
Diagnostic criteria for Hypoxemic PaO₂ ≤ 60 mmHg on FiO₂ ≥ 60%.
Respiratory Failure
Diagnostic criteria for Hypercapnic PaCO₂ > 50 mmHg with acute pH < 7.35.
Respiratory Failure
Physiological definition of Pulmonary Absence of alveolar ventilation despite blood flow;
Shunt unresponsive to oxygen alone.
Complete Solutions
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Terms in this set (130)
Normal ABG range for pH 7.35 to 7.45.
Normal ABG range for PaCO₂ 35 to 45 mmHg.
Normal ABG range for HCO₃⁻ 22 to 26 mEq/L.
ROME mnemonic in ABG interpretation Respiratory Opposite (pH and PaCO₂), Metabolic
Equal (pH and HCO₃⁻).
ABG pattern of Respiratory Acidosis Decreased pH (<7.35) and increased PaCO₂ (>45
mmHg).
Primary cause of Respiratory Acidosis Hypoventilation leading to arterial CO₂ retention.
, ABG pattern of Respiratory Alkalosis Increased pH (>7.45) and decreased PaCO₂ (<35
mmHg).
Primary cause of Respiratory Alkalosis Hyperventilation causing excessive CO₂ elimination.
ABG pattern of Metabolic Acidosis Decreased pH (<7.35) and decreased HCO₃⁻ (<22
mEq/L).
Common clinical condition causing Diabetic Ketoacidosis (DKA) or severe diarrhea.
Metabolic Acidosis
ABG pattern of Metabolic Alkalosis Increased pH (>7.45) and increased HCO₃⁻ (>26
mEq/L).
Common cause of Metabolic Alkalosis Severe vomiting or continuous nasogastric (NG) tube
suctioning.
Uncompensated ABG status definition Abnormal pH with only one abnormal value (PaCO₂
or HCO₃⁻).
Partially compensated ABG status Abnormal pH with both PaCO₂ and HCO₃⁻ abnormal.
definition
Fully compensated ABG status Normal pH with both PaCO₂ and HCO₃⁻ abnormal.
definition
Diagnostic criteria for Hypoxemic PaO₂ ≤ 60 mmHg on FiO₂ ≥ 60%.
Respiratory Failure
Diagnostic criteria for Hypercapnic PaCO₂ > 50 mmHg with acute pH < 7.35.
Respiratory Failure
Physiological definition of Pulmonary Absence of alveolar ventilation despite blood flow;
Shunt unresponsive to oxygen alone.
