VG Med IF lungs batwing pattern peripheral sparing severe CHF CXR 60M history of CHF acute dyspnea orthopnea << 2. Findings CXR with Alveolar Edema Ashley Davidoff Related LinksGoogle ImagesGoogleYouTubeWikipediaRadiopediaRadiographicsPubMedChatGPTOpenEvidence>>1. Challenge2. Findings