<prompt> Lutembacker syndrome includes all except-Mitral stenosisASDVSDLeft to right shunt  <response>: Ans. is c i.e., VSD Lutembacher syndrome is defined as a combination of mitral stenosis and a left-to-right shunt at the atrial level. Typically, the left-to-right shunt is an atrial septal defect ASD of the ostium secundum variety. 