School ager with shortness of breath Pediatric Imaging Cardiovascular February 19, 2021 CXR AP (left) shows cardiomegaly and bilateral perihilar interstitial infiltrates due to pulmonary vascular congestion. CXR AP (right) obtained after resolution of symptoms shows the heart and pulmonary vascularity to be normal in appearance while the airways are thickened and the lungs are hyperexpanded. The diagnosis was pulmonary edema in a patient with underlying asthma. Related Published February 19, 2021