Term
|
Definition
| common deadly problem results from anything that severely injures the type I pneumocytes and capillary endothelium lining the lungs |
|
|
Term
| what % ICU admissions get ARDS |
|
Definition
|
|
Term
| what is the mortality rate of ARDS |
|
Definition
|
|
Term
|
Definition
1. systemic process(sepsis, shock)
2. pulmonary infection
3. aspiration
4. inhaled toxins
5. traumatic pulmonary contusions
6. narcotics overdose
7. immunogenic (lupus) |
|
|
Term
|
Definition
acute onset of infiltrates on CXR
PaO2/FiO2 = <200mmHg
noncardiogenic pulmonary edema
condition originates from a direct insult in injury to the alveolar capillary membrane with fluid accumulation within the airspaces of the lung |
|
|
Term
|
Definition
| exudative; early alveolar edema & leukocytic infiltration of lungs with formation of hyaline membranes |
|
|
Term
| proliferative phase of ARDS = |
|
Definition
day7-day21; interstitial inflammation, early fibrotic changes
Type II pneumocytes, fibroblasts, mypfibroblasts proliferate |
|
|
Term
|
Definition
| 3-4wks after initial pulmoary injury; remodeling, fibrosis and bullae formation |
|
|
Term
| as ARDS progresses _________________ develops |
|
Definition
| fibroproliferation develops |
|
|
Term
| initially in ARDS pCO2 is ___ or ______ associated with increased ___________. |
|
Definition
| PaCO2 is low or normal assoc w increaed ventilation |
|
|
Term
| what happens with the pulmonary blood pressure in ARDS |
|
Definition
|
|
Term
| Hypoxia in the lungs leads to: |
|
Definition
|
|
Term
| in ARDS is there increased or decreased lung ocmpliance? |
|
Definition
|
|
Term
| what % of the lung is participating in gas exchange with ARDS? |
|
Definition
|
|
Term
| clinical manifestations of ARDS: |
|
Definition
| tachypnea, diffuse crackles, NO sign of volume overload |
|
|
Term
|
Definition
| hypoxemia, resp alkilosis in early phase, and resp acidosis in progression |
|
|
Term
|
Definition
|
|
Term
| what presents very similar to ARDS? |
|
Definition
|
|
Term
|
Definition
Tx underlying disease
O2
correct acidosis
antibiotics
brochodilator
heparin |
|
|
Term
| 2 main things for ARDS Tx |
|
Definition
treat the underlying cause
& respiratory support |
|
|
Term
|
Definition
ventilator induced lung injury; too much pressure in lungs leads to capillary collapse.
oxygen of toxicity |
|
|
