Adult respiratory
Distress $
Definitions
It is a non cardiogenic pulmonary Edema à respiratory failure
Causes
1- inhalation of an irritant gases
2- gm -ve septicemia.
3- Fat, air, amniotic fluid embolisms.
4- Pneurnocystic carnii, viral pneumonia
5- Uremia
Pancreatitis.
Pathology
The above causes.
¯
disturbance in the alveolar-capillary membrane
¯
transudation of fluid from Blood vessels
à alveoli

¯
Pulmonary oedema
C/P
Cause
Respiratory failure (diffusion defect)
à Type I respiratory failure.
Investigations
1- X-ray à Bilateral. Pulmonary lnfiltration.
2- O2< 50
Normal. heart (normal ejection fraction of the Left ventricle)
Treatment
1- Cause
2- O2 . ventilators.
3- Steroids
à improve capillaiy permeability!?
4- Diuretics !?

Source: Internal Medicine Book of Dr.Osama Mahmoud (Ain Shams University)