Inspiration: On a CXR, at least ____ posterior ribs should be visible
8
Doesn’t matter which system you use to view a CXR so long as you do what?
look at everything
After verifying pts name, DOB, and date of the study, what should you look at before employing your interpretive system of choice?
Any comparisons available
Differentiate between Cardio-phrenic angle and Costophrenic angle
1) Cardio-phrenic angle: Angle between heart and diaphragm
2) Costophrenic angle: Angle between ribs and diaphragm
What are 2 structures not normally visible on normal PA?
Bronchi + parietal or visceral pleura
Normal lateral: “One view is ___ view”
no
Demarcations of the lung lobes should be smooth, _______, white lines
thin
Costophrenic sulcus:
1) AP view: right and left ________ costophrenic sulci
2) Lateral view: right and left _________ costophrenic sulci
1) lateral
2) posterior
Normal Pulmonary Anatomy on CT: Fissures should be ______ lines
faint
3 general principles of abnormal cardiac anatomy:
Chambers _______ more to volume overload (regurgitation) than __________________
(starred, important)
enlarge; pressure (stenosis)
Cardiac anatomy general principles:
_______________ will lead to larger chambers than ____________
(starred)
Regurgitation; stenosis
Cardiac anatomy general principles: LV will be larger with aortic ___________ than w. aortic ___________
regurgitation; stenosis
Dilation of the ascending aorta due to ______________ produces LVH but no enlargement of cardiac silhouette
aortic stenosis
Aortic _____________ results in increased volume and can lead to extreme enlargement
regurgitation
Hypertension: What changes to the aorta does it cause? (3)
(not highlighted but seems important)
1) Ascending aorta projects too far to the right
2) Descending aorta projects too far to the left
3) Aortic knob is enlarged
CT evaluation of the heart is usually done with what?
IV contrast
Normal Cardiac Anatomy on CT:
1) What is closest to vertebral body?
2) What is closest to sternum?
(important; memorize this)
1) Left atria
2) Right ventricle