Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Etiology/Pathophysiology:
Causes include drowning, acute glomerulonephritis, fluid overload,
aspiration, inhalation injury, neurogenic pulmonary edema, allergic
reaction, and adult respiratory distress syndrome. It is due to
injury of the alveolar septa, increased permeability of the pulmonary
vascular endothelium, pulmonary microvascular platelet aggregation,
and finally intraalveolar edema. In drowning, the extent and severity
of the edema depends on the amount of water aspirated and the degree
of hypoxia. Whether the water is fresh or salt makes no difference on
the pulmonary findings.
Pathology:
Not applicable
Imaging Findings:
One of three patterns is seen: a normal chest, bilateral perihilar
pulmonary edema, or generalized pulmonary edema.
DDX:
References:
See References Chapter.
Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
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