Johns: Abnormal CXR

Question 1

What is seen on a CXR of a pt with Lung cancer?

Answer 1

MASS
Tracheal deviation
Enlargement behind the heart

Question 2

What is seen on a CXR in a pt w/ dextrocardia?

Answer 2

Apex of heart is directed to the right instead of hte left

Question 3

What is seen on a CXR of a pt with severe CHF?

Answer 3

Cardiomegaly
bilateral pleural effusions
increased lung markings
cephalization

Question 4

What is seen on a CXR of a pt with TB?

Answer 4

Multiple cavitary lesions in the UPPER lobe

Question 5

What is seen on a CXR of a pt with sarcoid or lymphoma?

Answer 5

Hilar node enlargement
mediastinal enlargement
Large adenopathy

Question 6

What is seen on a CXR of a pt with pneumonia?

Answer 6

lower lob infiltrate that obliterates the diaphragm

Question 7

What is the differential for diffuse bilateral interstitial infiltrate?

Answer 7

Atypical pneumonia
UIP/DIP
BOOP

Question 8

What is the differential for a desne RUL infiltrate?

Answer 8

Pneumonia

Tumor blocking airways

Question 9

What is seen on a CXR of a pt with left pleural effusion?

Answer 9

Effusion obscures diaphragm

Question 10

What is seen on a CXR of a pt with COPD?

Answer 10

Flat diaphragm
darkened lung fields d/t loss of lung parenchyma
blebs- pockets of air caused by destruction of lung parenchyma

Question 11

What can cause free air under the diaphragm?

Answer 11

Perforated bowel obstruction

surgery