Radiology Flashcards
1
Q
What are the 8 important cardiomediastinal contours to idenitfy on CXR?
A
- Right hemidiaphragm
- Left hemidiaphragm
- Aortic knuckle
- Main pulmonary artery
- Left heart border
- Right heart border
- Descending aorta
- Right paratracheal stripe
2
Q
What are the Hounsfield unit (CT density) for:
- Metal
- Bone
- Organs
- Water
- Fat
- Air
A
- Metal: +1000
- Bone: +500 - +1000
- Organs: +40
- Water: 0
- Fat: -40
- Air: -1000
3
Q
What are the Hounsfield unit (CT density) for:
- Bone
- Clotted blood
- Grey matter
- White matter
- Water
- Fat
- Air
A
- Bone: 1000
- Clotted blood: 65
- Grey matter: 35
- White matter: 25
- Water: 0
- Fat: -40
- Air: -1000
