Presentation
Worsening shortness of breath on the background of asthma.
Patient Data
Age: 75 years
Gender: Male
From the case:
Left atrial enlargement
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/47923/annotated_viewer_json?c=1701717738\u0026lang=us"}
double density sign (double right heart border) - left atrial enlargement
splaying of the carina
right lower zone atelectasis and pleural thickening
mild pulmonary venous congestion
intact sternal sutures
right shoulder prosthesis
Case Discussion
Characteristic double density sign (double right heart border) of left atrial enlargement.
Left atrial enlargement was subsequently confirmed on CT as the cause of the double density sign in this case.