<prompt> Congenital laryngeal stridor is also known as:LaryngomalaciaQuinsyLaryngotracheobronchitisLaryngeal web  <response>: a LaryngomalaciaRef. Current Diagnosis Treatment Otolaryngology, Lalwani, 3rd ed., 481; Scott Brown, 8th ed., Vol 2; 333Quinsy is Peritonsillar abscess.Laryngotracheobronchitis also known as croup is a viral infection most commonly caused by parainfluenza virus.Laryngeal web is a rare congenital malformation characterised by incomplete canalisation of larynx. 