Imaging of the Lung II

Question 1

Which is PA and which is AP?

Answer 1

AP = right

-artificially enlarged heart

Question 2

MJ has a ACR rating of 5. What does this mean?

Answer 2

Means that a radiologic procedure may be appropriate

1-3: usually not appropriate

4-6: may be appropriate

7-9: usually appropriate

Question 3

What condition does this patient have? How do you know?

Answer 3

Pulmonary Edema

Hydrostatic Edema is characterized by:

• Vascular indistinctness (acute)
• Consolidation/ground glass (depending on severity)
• Suggestive coexisting findings:
  
  • Septal lines/fissure thickening- lymphatic congestion
  • Cardiomegaly
  • Chronic venous hypertension (cephalization of vessels)

Permeability Edema with DAD (ARDS) characterized by

• Diffuse, patchy ground glass opacities
• More commonly exhibit air bronchograms

Question 4

What are the classic findings of a pneumothorax?

Answer 4

Classic Appearance:

1. No Lung Markings (This is the air in

the pleural space)

2. A white line (white arrows)
3. Lung markings (pink arrows)

Question 5

Patients can survive with a pneumothorax. However, what’s a concerning complication?

Answer 5

Tension pneumothorax:

• Air accumulates under pressure in pleural space
• The heart and trachea deviate to the opposite side
• Note the absence of lung markings on the right

Question 6

I asked the professor and she said basically not to study this lecture

Answer 6

Just focus on the red teaching points from the first lecture and what we talked about in class