<prompt> Boerhaave syndrome is the spontaneous rupture of which part of esophagusLower esophagusUpper esophagusMiddle esophagusStomach  <response>: Ans. a Lower esophagusRef Bailey and Love 26th edition Page 992 Boerhaave syndrome is spontaneous rupture of Esophagus in lower end of Esophagus due to vomiting against tight glottis Pleural effusion occurs rapidly and forms a collection in left side chest. 