CXR

Question 1

What are the steps of analysing a CXR

Answer 1

Name and DOB confirm time taken date taken and side markers
Assess projection, degree of inspiration and centering
Examine the heart, hila, mediastinum, both lungs (apices upper zones mid zones lower zones), diaphragms, and examine the review areas (

Question 2

Assume what projection unless stated otherwise

Answer 2

PA

Question 3

What’s the problem with AP projections

Answer 3

Exaggerate the heart size and scapula in the way

Question 4

Supine CXRs don’t reliably show a

Answer 4

Pneumoperitoneum

Question 5

How do you check if a CXR is adequately inspired?

Answer 5

6 anterior ribs should be visible above the left diaphragm

Question 6

The costal cartilages that unite the ribs to the sternum are visible on the CxR. T/F

Answer 6

F they are not visible

Question 7

Poorly inspired CXRs do what

Answer 7

Exaggerate heart size and nasal lung markings

Simulate heart disease or nasal lung infection

Question 8

How do you check if a CXR is rotated

Answer 8

Distance from spinous process to medial ends of clavicle on both sides should be equal

Question 9

What can simulate heart size and simulate a hilar mass

Answer 9

A rotated CXR

Question 10

A normal heart measures

Answer 10

50% or less of the cardiothoracic ratio

Question 11

The normal right hilum lies ….. the left

Answer 11

1.5cm below