Acute respiratory distress syndrome

Posted by e-Medical PPT Sunday, July 4, 2010
Acute respiratory distress syndrome,adult respiratory distress syndrome is a serious reaction to various forms of injuries to the lung.Acute respiratory distress syndrome is a severe lung disease caused by a variety of direct and indirect issues.It is characterized by inflammation of the lung parenchyma leading to impaired gas exchange with concomitant systemic release of inflammatory mediators causing inflammation, hypoxemia and frequently resulting in multiple organ failure. This condition is often fatal, usually requiring mechanical ventilation and admission to an intensive care unit. A less severe form is called acute lung injury.
ARDS formerly most commonly signified adult respiratory distress syndrome to differentiate it from infant respiratory distress syndrome in premature infants. However, as this type of pulmonary edema also occurs in children, ARDS has gradually shifted to mean acute rather than adult. The differences with the typical infant syndrome remain.
ARDS is a clinical syndrome associated with a variety of pathological findings. These include pneumonia, eosinophilic pneumonia, cryptogenic organizing pneumonia, acute fibrinous organizing pneumonia, and diffuse alveolar damage.Of these, the pathology most commonly associated with ARDS is diffuse alveolar damage.ARDS can occur within 24 to 48 hours of an injury or attack of acute illness. In such a case the patient usually presents with shortness of breath, tachypnea, and symptoms related to the underlying cause.

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