7/15/2013

7/15/2013

Answers:

Clothesline injuries, though rare, classically cause these types of injuries?
A) Cricotracheal separation 
B) Thyrocricoid seperation 
C) RLN injuries 
D) Vagal nerve injuries 
D) A and C 
E) B and D 
F) All of the above

Both cricotracheal separation and b/l RLN injuries are classically caused by clothesline injuries.

Name at least three benefits tracheotomy has over intubation for prolonged airway management.

-decreased dead space
-improve pulmonary toilet
-increased comfort, decreased sedation
-easier weaning
-decreased long term complications

MC Question:

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

Free Response Questions:
Name at least three risk factors for long term damage caused by intubation.

Quick Facts:
Penetrating Neck Trauma
-Classified by zone
-Zone I = sternal notch to cricoid
-Zone II = cricoid to angle of mandible
-Zone III = mandible to skull base
-Injuries above arytenoids often heal on their own, lower injuries often require surgery.
-Image all injuries to zones I (gastrografin) and III (angiography), they are difficult to examine.
-Zone II injuries get surgical exploration without imaging.