Week 3 Chest X-Rays ✅ Flashcards
Where do you need to listen to hear the aortic, pulmonary, tricuspid and mitral valve?
Intercostal spaces/sternal edge as sound doesn’t travel well through bone
Which valves are visible on x-ray?
Artificial
Why are lungs split into lobes?
To allow lungs to expand optimally and to fit effectively around heart and contours
Where is the oblique fissue? (Surface anatomy)
T4 to 6th rib near MCL
What might be the clinical significance if you cant see the diaphragm?
Infection in right lower lobe
What might be the clinical significance if you can’t see the right border of the heart?
Infection in right middle lobe
How does the right lower lobe appear on CXR?
Looks like it should be the middle lobe but the middle lobe does not extend to the back! so it is the lower lobe
How should the costophrenic angles look on CXR?
Sharp
What is a sign of pleural effusion?
Meniscus fluid level
What is the system for interpreting CXR?
A - adequacy, alignment, apparatus
B - bones
C - central (mediastinum)
S - soft tissues (lateral and peripheral)
What is the projection of a normal CXR?
PA
How do you know if the penetration of a CXR is correct?
Can see spinal processes
What areas of a CXR must you be able to see?
Costophrenic angles, clavicles, shoulders
What does a flattened diaphragm show?
Overinflated chest
How much of the thorax should the heart take up?
No more than 50%
