L7: Foreign Body Aspiration Flashcards

(50 cards)

1
Q

Incidence of Foreign Body Aspiration

A
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2
Q

Incidence of Foreign Body Aspiration

  • Age
A

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

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2
Q

Incidence of Foreign Body Aspiration

  • Mortality
A
  • It is the 5th common cause of unintentional injury mortality.
  • It is the leading cause of unintentional injury mortality in infants
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3
Q

Incidence of Foreign Body Aspiration

  • What Objects?
A
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4
Q

Etiology of Foreign Body Aspiration

A
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5
Q

Pathogenesis of Foreign Body Aspiration

A
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6
Q

Pathogenesis of Foreign Body Aspiration

  • Site of Lodgement
A
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7
Q

Site of Lodgement in Foreign Body Aspiration

  • Bronchial
A
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8
Q

Site of Lodgement in Foreign Body Aspiration

  • Laryngeal
A

Relatively larger F.B

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9
Q

Site of Lodgement in Foreign Body Aspiration

  • Tracheal
A
  • Relatively larger F.B
  • “intra-thoracic or extra-thoracic”
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10
Q

Pathogenesis of Foreign Body Aspiration

  • Phases
A
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11
Q

Phases of Foreign Body Aspiration

  • Initial
    (At time of aspiration)
A
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12
Q

Phases of Foreign Body Aspiration

  • Complication (Obstruction with superadded infection)
A
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13
Q

Phases of Foreign Body Aspiration

  • Asymptomatic (Lasts hours - weeks)
A
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14
Q

Relation between airway & F.B. aspiration

  • Total obstruction (Stop valve)
A

No entry or exit of air —> No collapse

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14
Q

Relation between airway & F.B. aspiration

  • Partial obstruction (Bidirectional valve)
A
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15
Q

Pathogenesis of Foreign Body Aspiration

  • Relation between airway & F.B. aspiration
A
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16
Q

Relation between airway & F.B. aspiration

  • Check valve (Ball & valve mechanism)
A
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17
Q

CP of Foreign Body Aspiration

A
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18
Q

Hx in Foreign Body Aspiration

A
  • Positive
  • Positive on interrogation
  • Negative
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19
Q

CP of Foreign Body Aspiration

  • Larynx
A
  • Airway obstruction (stridor)
  • Hoarseness of voice & aphonia
20
Q

CP of Foreign Body Aspiration

  • Bronchus
21
Q

CP of Foreign Body Aspiration

  • Trachea
22
Q
  • Large F.B in larynx or trachea can cause complete airway obstruction Patients with F.B aspiration may present with normal examination findings
22
CP of **Foreign Body Aspiration** - if aspiration is not witnessed
23
DDx of **Foreign Body Aspiration** - unilateral Wheezes
Insignificant distal air trapping
24
DDx of **Foreign Body Aspiration**
25
DDx of **Foreign Body Aspiration** - Bilateral Wheezes
- Intra-thoracic tracheal F.B. - Bronchial F.B. with significant distal air trapping
26
DDx of **Foreign Body Aspiration** - decreased Intensity of Breath Sounds
- Decreased Air entry - Emphysema - Collapse
27
INVx in **Foreign Body Aspiration**
28
INVx in **Foreign Body Aspiration** - X-Ray
29
X-Ray in **Foreign Body Aspiration** - Lateral Decubitus
30
X-Ray in **Foreign Body Aspiration** - Inspiration & Expiration
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Management of **Foreign Body Aspiration**
32
Management of **Foreign Body Aspiration** - immediate TTT (eff cough)
33
Management of **Foreign Body Aspiration** - immediate TTT (ineff. cough)
34
Management of **Foreign Body Aspiration** - Rigid Bronchoscopy
No contraindication to bronchoscopy whenever foreign body is suspected
35
Management of **Foreign Body Aspiration** - Fibro-optic bronchoscopy
No contraindication to bronchoscopy whenever foreign body is suspected
36
Compare Between Eff & Ineff. Cough in terms of - Verbal response - Cough - Breathing - Cons
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