Investigation of choice for Zenker&;s diveiculum is -
High-Yield Explanation
Barium swallow is the contrast study from oral cavity upto the fundus of stomach. Indications : Dysphagia and obstruction Motility disorders of esophagus. Assessment of site of esophageal perforation Zenker's diveiculum and cricoid webs. Contraindications : Tracheo esophageal fistula Esophageal perforation