Bolus vs. Continuous IV Lidocaine Against Post-Extubation Cough in Post-Thyroidectomy Patients

The goal of this randomized controlled trial is to compare the effect of lidocaine bolus intravenous administration to lidocaine continuous intravenous administration in post thyroidectomy patients to observe the effect against post-extubation cough. The main questions it aims to answer are: * Cough incidence on both groups * Which method is preferable to reduce post-extubation cough incidence