True about upper airways of neonate (AIIMS May 2013)
|A||Cricoid is narrowest part|
|B||Larynx extend from Co to Cu|
|C||Epiglottis is big & omega shaped|
Epiglottis is big & omega shaped
Anatomy of airway in neonate
The Anatomy of the upper airway predisposes to obstruction. Its characteristic features are
a. Proportionately large head and tongue, the tongue is often pushed against the palate
b. Narrow nasal Passages
c. Anterior and cephalad larynx (the larynx is anteriorly inclined)
d. Epiglottis is soft, large and patulous, omega shaped and inclined at 450'
e. The Subglottic region rather than the rima glottidis is the narrowest portion of the airway'
f. Vocal cord is at the level of C,
g. Trachea bifurcates at the level of T,
h. Larynx lies opposite 2nd, 3'd and 4'i cervical vertebra at birth.