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Respiratory Acidosis
Aka: Respiratory Acidosis
- See Also
- Arterial Blood Gas
- ABG Interpretation
- Causes: Acute Respiratory Acidosis
- Central Nervous System Depression
- Sedative Medications (e.g. Benzodiazepines)
- Cerebrovascular Accident
- Head Trauma
- Neuromuscular Disease
- Myasthenia Gravis
- Guillain-Barre
- Polio
- Muscular Dystrophy
- Hypokalemia
- Impaired lung motion
- Pleural Effusion
- Pneumothorax
- Crush injury
- Acute airway obstruction
- Foreign Body Aspiration
- Tumor
- Laryngospasm (e.g. Croup, Epiglottitis)
- Bronchospasm (e.g. Asthma)
- Acute Respiratory Disease
- Severe Pneumonia
- Pulmonary Edema
- Causes: Chronic Respiratory Acidosis
- Chronic Obstructive Pulmonary Disease
- Pickwickian Syndrome
- Chronic Neuromuscular Disease
- See Above
- Thoracic Cage limitation
- Kyphoscoliosis
- Scleroderma
- Labs
- Arterial Blood Gas
- Arterial pH decreased
- Serum bicarbonate increased
- PaCO2 increased
- Acute Respiratory Acidosis
- PaCO2 increase by 10 mmHg decreases pH 0.08
- Bicarbonate increases 1 meq/L per 10 mmHg PaCO2 rise
- Chronic Respiratory Acidosis
- PaCO2 increase by 10 mmHg decreases pH 0.03
- Bicarbonate increases 4 meq/L per 10 mmHg PaCO2 rise
- References
- Arieff (1993) J Crit Illn 8(2): 224-46 [PubMed]
- Narins (1982) Am J Med 72:496 [PubMed]
- Narins (1980) Medicine 59:161-95 [PubMed]
- Ghosh (2000) Fed Pract p. 23-33
- Rutecki (Dec 1997) Consultant, p. 3067-74
- Rutecki (Jan 1998) Consultant, p. 131-42