L7: Foreign Body Aspiration

Question 1

Incidence of Foreign Body Aspiration

Answer 1

Question 2

Incidence of Foreign Body Aspiration

• Age

Answer 2

Most common < 15 yearspeak: 1 - 3 years))

Question 2

Incidence of Foreign Body Aspiration

• Mortality

Answer 2

• It is the 5th common cause of unintentional injury mortality.
• It is the leading cause of unintentional injury mortality in infants

Question 3

Incidence of Foreign Body Aspiration

• What Objects?

Answer 3

Question 4

Etiology of Foreign Body Aspiration

Answer 4

Question 5

Pathogenesis of Foreign Body Aspiration

Answer 5

Question 6

Pathogenesis of Foreign Body Aspiration

• Site of Lodgement

Answer 6

Question 7

Site of Lodgement in Foreign Body Aspiration

• Bronchial

Answer 7

Question 8

Site of Lodgement in Foreign Body Aspiration

• Laryngeal

Answer 8

Relatively larger F.B

Question 9

Site of Lodgement in Foreign Body Aspiration

• Tracheal

Answer 9

• Relatively larger F.B
• “intra-thoracic or extra-thoracic”

Question 10

Pathogenesis of Foreign Body Aspiration

• Phases

Answer 10

Question 11

Phases of Foreign Body Aspiration

• Initial
  (At time of aspiration)

Answer 11

Question 12

Phases of Foreign Body Aspiration

• Complication (Obstruction with superadded infection)

Answer 12

Question 13

Phases of Foreign Body Aspiration

• Asymptomatic (Lasts hours - weeks)

Answer 13

Question 14

Relation between airway & F.B. aspiration

• Total obstruction (Stop valve)

Answer 14

No entry or exit of air —> No collapse

Question 14

Relation between airway & F.B. aspiration

• Partial obstruction (Bidirectional valve)

Answer 14

Question 15

Pathogenesis of Foreign Body Aspiration

• Relation between airway & F.B. aspiration

Answer 15

Question 16

Relation between airway & F.B. aspiration

• Check valve (Ball & valve mechanism)

Answer 16

Question 17

CP of Foreign Body Aspiration

Answer 17

Question 18

Hx in Foreign Body Aspiration

Answer 18

• Positive
• Positive on interrogation
• Negative

Question 19

CP of Foreign Body Aspiration

• Larynx

Answer 19

• Airway obstruction (stridor)
• Hoarseness of voice & aphonia

Question 20

CP of Foreign Body Aspiration

• Bronchus

Answer 20

Question 21

CP of Foreign Body Aspiration

• Trachea

Answer 21

Question 22

• Large F.B in larynx or trachea can cause complete airway obstruction Patients with F.B aspiration may present with normal examination findings

Answer 22

….

Question 22

CP of Foreign Body Aspiration

• if aspiration is not witnessed

Answer 22

Question 23

DDx of Foreign Body Aspiration

• unilateral Wheezes

Answer 23

Insignificant distal air trapping

Question 24

DDx of Foreign Body Aspiration

Answer 24

Question 25

DDx of Foreign Body Aspiration

• Bilateral Wheezes

Answer 25

• Intra-thoracic tracheal F.B.
• Bronchial F.B. with significant distal air trapping

Question 26

DDx of Foreign Body Aspiration

• decreased Intensity of Breath Sounds

Answer 26

• Decreased Air entry
• Emphysema
• Collapse

Question 27

INVx in Foreign Body Aspiration

Answer 27

Question 28

INVx in Foreign Body Aspiration

• X-Ray

Answer 28

Question 29

X-Ray in Foreign Body Aspiration

• Lateral Decubitus

Answer 29

Question 30

X-Ray in Foreign Body Aspiration

• Inspiration & Expiration

Answer 30

Question 31

Management of Foreign Body Aspiration

Answer 31

Question 32

Management of Foreign Body Aspiration

• immediate TTT (eff cough)

Answer 32

Question 33

Management of Foreign Body Aspiration

• immediate TTT (ineff. cough)

Answer 33

Question 34

Management of Foreign Body Aspiration

• Rigid Bronchoscopy

Answer 34

No contraindication to bronchoscopy whenever foreign body is suspected

Question 35

Management of Foreign Body Aspiration

• Fibro-optic bronchoscopy

Answer 35

No contraindication to bronchoscopy whenever foreign body is suspected

Question 36

Compare Between Eff & Ineff. Cough in terms of

• Verbal response
• Cough
• Breathing
• Cons

Answer 36