 Further 2 mL of 1% lidocaine was instilled in the trachea just distal to the cords, at mid trachea above the carina, and on the right, and on the left mainstem bronchus. 
Further 2 mL of 1 % lidocaine was instilled in the trachea just distal to the cords , at mid trachea above the carina , and on the right , and on the left mainstem bronchus .