Answers:
Airway obstructions above the larynx are associated with --- stridor, whereas biphasic stridor is associated with --- obstructions.
A) Inspiratory, supraglottic
B) Expiratory, Tracheal
C)Inspiratory, Tracheal
D)Expiratory, subglottic
E) Inspiratory, subglottic
-Inspiratory Stridor ~ obstruction above larynx
-Expiratory Stridor ~ distal obstruction (i.e. trachea)
-Biphasic stridor ~ subglottic obstruction
Name two advantages and one disadvantage to using a Laryngeal Mask Airway (LMA) in securing an airway.
Advantages: -can be inserted blindly and quickly, -no neck movement required, -95-99% success rate, -easy to learn, -less postop sore throat, cough and laryngeal injury.
Disadvantage: Risk of LMA is pulmonary aspiration of gastric regurgitation.
MC Question:
Bjork flaps are contraindicated in pediatric tracheostomies because of higher rates of what complication?
A) Tracheoinnominate fistula
B) Tracheal Stenosis
C) Trach tube discplacement
D) Pneumomediastium
E) None of the above
Free Response Question:
The Combitube is contraindicated in what group?
Quick Facts:
-Percutaneous Trach: increasingly popular. Transcutaneous entry into trachea w/ needle, then guidewire passage into lumen and serial dilation. Often endoscopy is used to confirm entry into tracheal lumen.
-Pros: easy to perform, short operative time, can do at bedside, cheaper, no need to transport patient, lower complication rate.
-Cons: potential more serious complications associated w/ blind entry, difficulty if patient is obese.
-Pros: easy to perform, short operative time, can do at bedside, cheaper, no need to transport patient, lower complication rate.
-Cons: potential more serious complications associated w/ blind entry, difficulty if patient is obese.
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