<prompt> Large PDA leads to:Endocardial valvulitisEssenmenger syndromeHeart failureAll of the above  <response>: d. All of aboveRef: Nelsons 20e p 2189-2191, Ghai 8e p 413-414Complications of large PDA are Cardiac failure; Infective endarteritis, Pulmonary or systemic emboli, Pulmonary hypertension Eisenmenger syndrome 