List three causes of acute mediastinitis. What are the clinical features of Boerhaave's syndrome? What are the radiographic features of Boerhaave's syndrome What are the radiologic manifestations of acute mediastinitis? What is the best radiologic modality to investigate for acute mediastinitis? Book traversal links for Mediastinitis ‹ Which way will the mediastinum shift if there is both atelectasis and pleural effusion? Up List three causes of acute mediastinitis. ›