<prompt> A child presents with congenital cyanotic heart disease and polydactyly. Likely diagnosis is:Ellis-van Creveld syndromeRubinstein-Taybi syndromeMcKusick - Kaufman syndromeEdward syndrome  <response>: a. Ellis-van Creveld syndromeRef: Nelson 20e p 619, 907, 2165, 3376Discussing about the options, one by onea. Ellis-van Creveld syndromeAlso called chondroectodermal dysplasiaChondrodystrophy, polydactyly, ectodermal dysplasia, CHD Single atrium, VSD seenb. Rubinstein-Taybi syndromeMicrocephaly, ptosis, beaked nose with low-lying philtrum, broad thumbs and large toes, intellectual disability, VSDc. McKusick - Kaufman syndromeAlso called Cartilage-hair hypoplasia; Skeletal defects involving legs rib cage; Immunodeficiency, celiac disease Hirschsprung disease may be associatedd. Edward syndromeVSD, ASD, PDA, coarctation of aorta, bicuspid aortic or pulmonary valve 