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distinct form of acute respiratory failure resulting from diffuse pulmonary injury of various causes
acute respiratory distress syndrome
first description of ARDS appeared in
1967
originally termed "adult" resp distress syndrome, but changed to acute as it occurs in ___ as well
children
mortality rate of
40-60%
most common causes of ARDS
sepsis
highest mortality at 70%
type of pulmonary edema seen in ARDS is termed
non-cardiogenic
pulm edema seen in ARDS pt is termed non-cardiogenic because it
IS NOT caused by heart failure
lung compliance inc/dec causing lungs to become stiff/more elastic
decrease
stiff
increase in alveolar-capillary permeability causes
decrease in surfactant causing alveolar collapse (atelectasis)
hypoxemia that responds poorly to supplement oxygen administration is termed
refractory hypoxemia
treatment for ARDS is primarily supportive: (3)
treatment of precipitative problem
provide adequate tissue oxygenation
provide adequate nutritional support
PCWP in ARDS will most likely be
normal
lung compliance changes in ARDS because of (2)
hyaline membrane formation
alveolar consolidation
etiologic factors of ARDS (atleast 5)
sepsis - #1
thoracic trauma
multiple blood transfusions
aspiration and near drowning
severe pneumonia
smoke inhalation
drug-induced lung surgery
inhaled toxins
shock
extensive burns
ARDS affects (3)
lung mechanics
gas exchange
pulm vasculature
Author
Anonymous
ID
50381
Card Set
ards 1
Description
ards 1
Updated
2010-11-18T07:56:18Z
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