Airway Obstruction Flashcards
1
Q
What splits up the upper and lower respiratory tract
A
the larynx
2
Q
what position are the vocal cords in during phonation
A
closed
3
Q
when are the vocal cords open
A
respiratory
4
Q
what are some causes of airway obstruction
A
• Inflammatory/infective/allergy • Foreign bodies • Physical compression/invasion of airway • Trauma/iatrogenic trauma • Neurological causes • Neoplastic causes • Burn Congenital airway pathology
5
Q
signs of airway obstruction
A
• SOB on exertion • SOB at rest/stridor/stertor • Coughing • Choking • Inability to complete a sentence • Sternal/subcostal recession • Tracheal tug • Dusky colour of skin • Dysphagia • Dysphonia Pyrexia
6
Q
what is stridor
A
Stridor - high pitched harsh noise due to turbulent airflow resulting from airway obstruction
7
Q
what is stertor
A
Stertor - low pitched sonorous sound arising from nasopharyngeal airway
8
Q
what is subglottilc stenosis
A
narrowing of the vocal cords, can be congenital or inflammatory