7/16/2013

7/16/2013

Answers:

With regards to external laryngeal trauma, an injury that causes massive endolaryngeal edema with airway obstruction, mucosal tears that expose cartilage, immobile vocal cords or laryngeal fracture (no more than two) is classified as what?
A) Group II 
B) Zone II 
C)Group III 
D) Group IV 
E) Group V

-Group I = minor endolaryngeal hematoma, no fx; Note that classification for external laryngeal trauma is distinct from penetrating neck trauma (zones I, II, III)
-Group II = endolaryngeal hematoma, compromised airway, nondisplaced fx
-Group III = massive edema, airway obstructed, mucosal tears, immobile cords
-Group IV = group III with more than two fx
-Group V = laryngotracheal separation

Name at least three risk factors for long term damage caused by intubation.

-large diameter ETT
-excessive patient movement
-repeated self extubations
-overinflated ETT cuff
-prolonged intubation.

MC Question:

A patient presents to the ED with a stab wound located just lateral to the thyroid cartilage. What classification would this injury fall under?
A) Zone I 
B) Zone II 
C) Zone III 
D) Group II 
E) Group III

Free Response Questions:
Name three functions of the larynx.

Quick Facts:
Esophageal atresia and tracheoesophageal fistula (TEF) 
-1/3000 live births
-M=F
-Associated w/ prematurity and polyhydramnios
Classification
-Type 1 = esophageal atresia w/ distal TEF (85.4%)
-Type 2 = esophageal atresia w/o TEF ( 7.3%)
-Type 3 = TEF w/o esophageal atresia (2.8%)
-Type 4 = esophageal atresia w/ proximal and distal TEF (2.1%)
-Type 5 esophageal atresia w/ proximal TEF (<1%)