Respiratory Acidosis

Aka: Respiratory Acidosis

advertisement

II. Causes: Acute Respiratory Acidosis

  1. Central Nervous System Depression
    1. Sedative Medications (e.g. Benzodiazepines)
    2. Cerebrovascular Accident
    3. Head Trauma
  2. Neuromuscular Disease
    1. Myasthenia Gravis
    2. Guillain-Barre
    3. Polio
    4. Muscular Dystrophy
    5. Hypokalemia
  3. Impaired lung motion
    1. Pleural Effusion
    2. Pneumothorax
    3. Crush injury
  4. Acute airway obstruction
    1. Foreign Body Aspiration
    2. Tumor
    3. Laryngospasm (e.g. Croup, Epiglottitis)
    4. Bronchospasm (e.g. Asthma)
  5. Acute Respiratory Disease
    1. Severe Pneumonia
    2. Pulmonary Edema

III. Causes: Chronic Respiratory Acidosis

  1. Chronic Obstructive Pulmonary Disease
  2. Pickwickian syndrome
  3. Chronic Neuromuscular Disease
    1. See Above
  4. Thoracic Cage limitation
    1. Kyphoscoliosis
    2. Scleroderma

IV. Labs

  1. Arterial Blood Gas
    1. Arterial pH decreased
    2. Serum bicarbonate increased
    3. PaCO2 increased
  2. Acute Respiratory Acidosis
    1. PaCO2 increase by 10 mmHg decreases pH 0.08
    2. Bicarbonate increases 1 meq/L per 10 mmHg PaCO2 rise
  3. Chronic Respiratory Acidosis
    1. PaCO2 increase by 10 mmHg decreases pH 0.03
    2. Bicarbonate increases 4 meq/L per 10 mmHg PaCO2 rise

V. References

  1. Arieff (1993) J Crit Illn 8(2): 224-46 [PubMed]
  2. Narins (1982) Am J Med 72:496 [PubMed]
  3. Narins (1980) Medicine 59:161-95 [PubMed]
  4. Ghosh (2000) Fed Pract p. 23-33
  5. Rutecki (Dec 1997) Consultant, p. 3067-74
  6. Rutecki (Jan 1998) Consultant, p. 131-42

Images: Related links to external sites (from Bing)

These images are a random sampling from a Bing search on the term "Respiratory Acidosis." Click on the image (or right click) to open the source website in a new browser window. Search Bing for all related images

Related Studies

Related Topics in Pulmonology

advertisement