<prompt> Which of the following defines Pentalogy of Fallot?TOF with PDATOF with ASDTOF with COATOF with Polysplenia  <response>: Pentalogy of Fallot is a rare form of cyanotic congenital hea disease, characterized by an association of atrial septal defect ASD with tetralogy of Fallot TOF . Ref - Harrison 20th edition pg 1834-36 , pubmed.com 