ABG Causes Part 2

Question 1

Metabolic Alkalosis

Answer 1

• Low K (Potassium)
• Low Cl (Chloride)
• Steroids that lower K & Cl
• Diuretics that lower K & Cl
• Vomitting or nasal gastric tube draining stomach
• Base Ingestion
• Licorice (Tums) or Bicarb

Question 2

Respiratory Acidosis

Answer 2

• Hypoventilation - Excessive CO2 (COPD)
• Inadequate Mechanical Ventilation
• CNS Depression- Drugs/Injury
• Neuromuscular Disease
• Cardiopulmonary Disease
• V/Q mismatch

Question 3

Respiratory Alkalosis

Answer 3

• Hyperventilation - Low CO2
• Excessive Mechanical Ventilation
• CNS Stimulation - Drug/Injury
• Emotions - Fear/Anxiety/Pain
• Severe Hypoxemia causing carotid and aortic body