This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Which among the following is a sure sign of hea failure in an infant with congenital hea disease? \nSelect and explain. \nA. Basal crepitations, B. JVP, C. Pedal oedema, D. Liver enlargement', 'role': 'user'}, {'content': "Answer: D \nExplanation: The most common symptom of hea failure is tachypnea with grunting, gasping breathing, or breathlessness with feeding. A respiratory rate consistently above 60 is seen. Poor weight gain from diminished intake and increased work of breathing is the rule. Cool, moist skin; a diminished and rapid aerial pulse; and hepatic enlargement are common accompanying signs. Ref: Brown D.W., Fulton D.R. (2011). Chapter 83. Congenital Hea Disease in Children and Adolescents. In V. Fuster, R.A. Walsh, R.A. Harrington (Eds), Hurst's The Hea, 13e.", 'role': 'assistant'}]