Tracheostomy done at which level-
Correct Answer: T3
Description: Ans. is 'b' i.e., "The T3 vertebral level defines the ideal position of the tracheostomy site". --Critical care medicineSites of Tracheostomyo Depending on the position of tracheostome, tracheostomy can be classified as :High tracheostomy: Performed above the level of thyroid isthmus which lies against II, III and IV tracheal rings:Indicated in carcinoma larynx when laryngectomy is anticipated.Drawback : tracheostomy at this point violates the I51 ring of trachea and causes perichondritis of the cricoid cartilage and subglottic stenosis, so it is better avoided.Mid tracheostomy: Performed at the level of thyroid isthmusThe opening is made at the level of II, III ringsIt is the preferred site for tracheostomyLow tracheostomy: Performed below the level of thyroid isthmusIndicated in laryngeal papillomatosis to avoid implantationDrawback: At this level trachea lies close to several large vessels which can get injured and the tracheostomy tube impinges on suprasternal notch at this level.
Category:
ENT
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