Tan, Mark Z Y Mediastinitis, pseudo-aneurysm formation, aortic bleed, and death from endoscopic botulinum toxin injection. [electronic resource] - Endoscopy 2016 - E186-7 p. digital Publication Type: Case Reports; Journal Article; Video-Audio Media ISSN: 1438-8812 Standard No.: 10.1055/s-0042-107074 doi Subjects--Topical Terms: Acetylcholine Release Inhibitors--administration & dosageAged, 80 and overAneurysm, False--diagnosisAorta, Thoracic--diagnostic imagingBotulinum Toxins--administration & dosageEndoscopy, Digestive System--methodsEsophageal Achalasia--therapyEsophageal Perforation--complicationsEsophageal Sphincter, Lower--injuriesFatal OutcomeFemaleHumansInjections--adverse effectsMediastinitis--diagnosis