Diagnostic Pulmonary Testing

Question 1

Bronchoscopy 2 types

Answer 1

Ridgid:
Straight metal tube in trachea which can debulk tumors and remove foreign objects

Flexible:
Most common type
Can be inserted through the mouth, nasal cavity, ET tube, or tracheal tube

Question 2

CXR Details (ABCDEFGHI)

Answer 2

Airway
Bones
Cardiac silhouette
Diaphragm
Edge of heart
Field of lungs
Gastric bubble
Hila
Instruments

Question 3

CXR Views

Answer 3

AP view: More difficult to read and usually meant for bedridden patients
PA view
Lateral view
Decubitus: To distinguish from pleural effusions and pneumonia
Lordotic: Visualize the apex of the lung

Question 4

VQ Scan

Answer 4

Uses scintigraph and medical isotopes to evaluate the blood vessels of the lung in order to determine the ventilation/perfusion ratio to identify a *pulmonary embolus
Ventilation phase: Looks at the ability of air to reach all parts of the lung
Perfusion phase: Evaluates how well the blood circulates within the lung

Question 5

MRI Clinical Indications

Answer 5

Excellent for chest wall tumors, wall infections, diaphragmatic extension of intrathoracic masses
Demonstrate vascular supply of tumors