<prompt> What is the symptom of a person with unilateral abductor paralysis:Dyspnoea on exeionTransient hoarsenessHusky voiceInspiratory stridor  <response>: Recurrent laryngeal nerve paralysis unilateral - Ipsilateral paralysis of al the intrinsic muscles except the cricothyroid. - Vocal cords in median or paramedian position does not move laterally on deep inspiration. CF: - May pass undetected as about 13rd of the patients are asymptomatic. - Some have change in voice Gradually improves dt compensation by the healthy cord. - No aspiration or airway obstruction. Treatment: - No treatment required. Recovers in 6-12 months. However, inj. of Gel-foam or fat can be used to improve the voice. - Laryngoplasty type- 1 can be used if no improvement. - Teflon inj. is not used nowadays. 