Chapter 207 : Aerodigestive Foreign Bodies and Caustic Ingestions Flashcards

1
Q

What is the minimum safe size for objects used by Children as mandated by Consumer Products Safety Act of 1979

A

> 3.17 x 5.71 cm

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2
Q

Verduc first descrbied which procedure for foreign body extraction in 1717

A

Bronchotomy

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3
Q

Kirstein was one of the first to do this procedure in 1895

A

Direct laryngoscopy

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4
Q

True/False: Foreign body ingestions/aspirations are more common in boys and those ≤ 3 years of age

A

TRUE

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5
Q

Why is the right mainstem bronchus more likely to be the site of foreign body aspiration

A

More vertical, wider lumen

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6
Q

Endoscopic removal is needed in how many percent of foreign body ingestions

A

10 - 20%

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7
Q

Most common foreign body ingested:

A

Coins, pins

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8
Q

What are the 3 stages of foreign body aspiration/impaction:

A
  1. impaction, 2. asymptomatic, 3. complications
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9
Q

Stridor or dyspneas is more indicative of:

A

Foreign body aspiration

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10
Q

Drooling, vomiting, or dysphagia is more indicative of:

A

Foreign body ingestion

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11
Q

How many percent of foreign body ingestions have a normal PE

A

89%

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12
Q

Classic postion of foreign bodies in the trachea:

A

Coronal position on AP view: esophagus; Sagittal position on AP view: tracheostomies

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13
Q

Four possible areas of impaction in the esophagus

A

UES, aortic arch, mainstem bronchi, LES

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14
Q

True/False: in an otherwise healthy, asymptomatic child with a distal/midesophageal object presenting within 24 hours can be observed for 8 - 16 hours

A

TRUE

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15
Q

Indications for urgent extraction of a foreign body ingestions

A

Lasting > 24 hours, sharp/caustic ingestion

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16
Q

True/False: Caustic materials are generally highly basic substances

A

TRUE

17
Q

True/False: Corrosive material are generally highly acidic substances

A

TRUE

18
Q

Corrosive ingestion is more damaging to the esophagus or stomach?

A

Stomach

19
Q

Caustic ingestion is more injurious due to what mechanism:

A

Liquefaction

20
Q

Most common symptom in caustic ingestion

A

Vomiting

21
Q

Endoscopy is ideally done within what time frame from caustic ingestion

A

12 - 48 hours