Chest Radiology

Question 1

How many ends of anterior ribs should be seen in a well inspired chest x-ray?

Answer 1

At least 6

Question 2

What are the review areas for a chest x-ray?

Answer 2

Apices
Behind the heart
Below the diaphragm
Bones and soft tissues

Question 3

What is the sign of a left lower lobe collapse?

Answer 3

Left sail sign (white triangle)

Question 4

What is the sign of a left upper lob collapse?

Answer 4

Veil like opacity - diffuse opacification of the left hemithorax (lobe collapses forward)

Question 5

Will the right hemidiaphragm be preserved in right middle lobe collapse?

Answer 5

Yes

Question 6

What would a right middle and lower lobe collapse show on CXR?

Answer 6

Loss of clarity of right hemidiaphragm and right heart border

Question 7

How can you tell the difference between lung consolidation and collapse on CXR?

Answer 7

In consolidation the volume will be preserved

Question 8

What is the ABCDE for looking at heart failure CXRs?

Answer 8

A - alveolar oedema (bats wing)
B - Kerley B lines
C - cardiomegaly
D - dilated upper lobe vessels
E - pleural effusion

Question 9

What should a correctly positions ET tube look like on CXR?

Answer 9

Tip 5cm above carina
Width 2/3rds of tracheal diameter
Cuff should not expand trachea