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