This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiac and Pericardiac Imaging, Subject name: Radiology
[{'content': 'Flask shaped heart is seen in - \nSelect and explain. \nA. Ebstein anomaly, B. Pericardial effusion, C. TOF *, D. TAP VC', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Pericardial effusion o Snowman\'s sign is seen in supracardiac TAPVC,Cardiac configration o "Boot-shaped" heart (cour en sabot)Fallot\'s tetralogyo "Egg on side" heart ("egg in cup" heart)Transposition of great arterieso "Egg in cup" HeartConstrictive pericarditiso "Snowman" sign ("figure of 8,Supracardiac TAPVCor cottage loaf" sign) o "Ground - glass" appearance of lungObstructive TAPVCo "Sitting-duck" heartPersistent truncus arteriosuso "Water-bottle" or Basked shapedPericardial effusion, hypothyroidismor money bag heart o "Box-shaped" heartTricuspid atresia, Ebstein\'s anomalyo Tubular heartAddison\'s disease, emphysemao "Tear -drop" heartChronic emphysemao "Cor-triatum"Pulmonary vein obstructiono "Jug handle" appearancePrimary pulmonary hypertensiono "Pentagon-shaped" heartMitral incompetenceo "Triangular-shaped" heartConstrictive pericarditis', 'role': 'assistant'}]