<prompt> Dysphagia Lusoria is caused by -Compression by aberrant blood vesselsAchalasia CardiaMallory Weiss TearCA Esophagus  <response>: Ans. is a i.e., Compression by aberrant blood vessels o Dysphagia Lusoria is a disorder of swallowing caused due to vascular anomalies.o Causes of Dysphagia Lusoria. A right aortic arch A double aortic arch A vascular constricting ring formed by a PDA or a ligamentum arteriosum and the pulmonary artery or aortic arch. An abnormal right subclavian artery.Arteria lusoria An abnormal innominate artery.o Diagnosis is made by a lipoidal swallow or by arteriography. 