In acute aortic regurgitation, pulmonary edema is almost universally present. If the aortic regurgitation is due to an aortic dissection, the mediastinum may appear widened. Echocardiography is ...

Acute aortic regurgitation can cause acute ... Chest x-ray can show mediastinal widening and/or an abnormal aortic contour. Computed tomography (CT) is the definitive diagnostic modality and ...