Pediatric Lung and Airway Topics

Question 1

How does a meds CXR differ from an adult CXR?

Answer 1

WRT to heart, 1/3 is on R, 2/3 is on L

Question 2

Upper airway includes

Answer 2

Upper Airway – sinuses, Eustachian tubes, nose, tonsils and adenoids, pharynx, larynx

Question 3

Lower airway includes

Answer 3

Lower airway – trachea, bronchi, bronchioles, alveoli, interstitium, pleura

Question 4

Chest wall includes

Answer 4

Chest wall – ribs, spine, sternum, accessory muscles, diaphragm

Question 5

Mediastinum includes

Answer 5

Mediastinum – heart, aorta, thymus, esophagus, azygous vein, thoracic duct

Question 6

What is stridor

Answer 6

Stridor (turbulent airflow below or in larynx)

–tends to indicate an intrathoracic obstruction

Question 7

What is stertor?

Answer 7

Stertor (turbulent airflow above larynx, ie snore)

Question 8

What does a wheeze indicate?

Answer 8

An extra thoracic obstruction

Question 9

How does the spirometry look change with variable extra thoracic variable obstruction?
What are some examples of extra thoracic variable obstruction?

Answer 9

inhalation loop flattening

Vocal cord dysfunction, obstructive sleep apnea

Question 10

How does the spirometry look change with variable intra thoracic variable obstruction?
What are some examples of intra thoracic variable obstruction?

Answer 10

Loop flattening of exhalation

Endobronchial tumor, tracheal tumor

Question 11

What will any fixed obstruction give you?

Examples

Answer 11

Both inspiratory and expiratory flattening

laryngeal or tracheal web