Acute respiratory distress syndrome is a life-threatening lung condition that prevents enough oxygen from getting into the blood. It is defined as a sudden and progressive form of acute respiratory failure in which the alveolar-capillary membrane becomes damaged and more permeable to intravascular fluid resulting in severe shortness of breath, a low level of oxygen in the blood and diffuse pulmonary infiltrates.



Common causes: Aspiration of stomach contents or other substances and viral/bacterial pneumonia.

Less common causes: Chest trauma, inhalation of toxic substances, near-drowning, O2 toxicity, radiation pneumonitis, fat, air or amniotic embolism.

Common causes: Sepsis, Severe traumatic injury

Less common causes: Acute pancreatitis, Anaphylaxis, Prolonged cardiopulmonary bypass surgery, Multiple blood transfusions, severe head injury, shock, Massive blood transfusion and Narcotic drug overdose like heroin.



  1. Exudative
  2. Proliferative
  3. Fibrotic







The patients are usually hospitalized, and they require monitoring in an intensive care unit. The supportive measures include:




  1. Nosocomial pneumonia
  2. Renal failure
  3. Barotrauma
  4. O2 toxicity
  5. Stress ulceration
  6. Pulmonary embolism




  2. RTC ARDS Jason D. Sciarretta 2010
  3. ARDS ppt Sanjay 2012

Leave a Reply

Your email address will not be published. Required fields are marked *