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ARDS (Acute Respiratory Distress Syndrome)
Alternate Names : Acute Respiratory Distress Syndrome, Adult Respiratory Distress Syndrome, Increased-Permeability Pulmonary Edema, Non-Cardiogenic Pulmonary Edema, Shock Lung, Stiff Lung
Definition
ARDS is a life-threatening condition in which inflammation of the lungs and accumulation of fluid in the air sacs (alveoli) leads to low blood oxygen levels. While it shares some similarities with infant respiratory distress syndrome, its causes and treatments are different.
See also IRDS (infant respiratory distress syndrome).
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Overview, Causes, & Risk Factors
ARDS is a medical emergency. It can be caused by any major lung inflammation or injury. Some common causes include pneumonia, septic shock, trauma, aspiration of vomit, or chemical inhalation. ARDS develops as inflammation and injury to the lung and causes a buildup of fluid in the air sacs. This fluid inhibits the passage of oxygen from the air into the bloodstream.
The fluid buildup also makes the lungs heavy and stiff, and the lungs' ability to expand is severely decreased. Blood concentration of oxygen can remain dangerously low in spite of supplemental oxygen delivered by a mechanical ventilator (breathing machine) through an endotracheal tube (breathing tube).
Typically patients require care in an intensive care unit (ICU). Symptoms usually develop within 24 to 48 hours of the original injury or illness. ARDS often occurs along with the failure of other organ systems, such as the liver or the kidneys. Cigarette smoking may be a risk factor.
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• Definition
• ARDS Overview, Causes, & Risk Factors
• ARDS Symptoms & Signs
• ARDS Prevention
• ARDS Diagnosis & Tests
• ARDS Treatment
• ARDS Prognosis
• ARDS Complications
• ARDS Support Groups
• Calling Your Health Care Provider
• Pictures & Images
Topics that might be of interest to you Diseases & Conditions
• IRDS (Infant Respiratory Distress Syndrome)
Tests & Exams
• Chest X-Ray
Other Topics
• Auscultation
• Breath Sounds
• Lung Disease - Resources
• Rapid Deep Breathing (Hyperventilation)
• Skin Discoloration - Bluish
Review Date : 5/16/2002
Reviewed By : Darrell N. Kotton, M.D., Division of Pulmonary and Critical Care, Boston University School of Medicine, Boston, MA. Review provided by VeriMed Healthcare Network.
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