CTICasesAlveolar Pulmonary Edema due to Overhydration
Imaging findings
Chest radiographs show acute, diffuse, symmetric peri-hilar and lower-lobe alveolar opacities, with associated peripheral Kerley lines and interstitial septal thickening, which demonstrated near-complete resolution within forty-eight hours.
Key takeaways
Acute alveolar pulmonary edema secondary to overhydration or fluid overload can easily be misdiagnosed as infectious pneumonia on radiographs. Recognizing classic features of interstitial fluid overload, such as Kerley lines, and observing rapid clearance after diuresis or fluid restriction can confirm the diagnosis and prevent unnecessary antibiotic therapy.
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