<prompt> A patient presented with stridor and dyspnea which he developed after an attack of upper respiratory tract infection. On examination, he was found to have a 3 mm glottic opening. All of the following are used in the management except -TracheostomyArytenoidectomyTeflon injectionCordectomy  <response>: The glottic diameter of 3 mm suggests that the vocal cord is in an adducted position most probably due to RLN paralysis after an upper respiratory tract infection Normally quiet breathing requires 6-12 mm glottic opening.Symptoms like stridor and dyspnea also indicate the same diagnosis, i.e., airway obstruction due to Bilateral RLN paralysis.Treatment options for bilateral RLN paralysis are : -TracheostomyLateralization of cord: Arytenoidectomy , Thyroplasty type II, Cordectomy, nerve muscle implant, lateralization through the endoscope. 