Cardiac
Terms
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- What is the upper limit of normal for main PA diameter on CT?
- 3 cm
- After evaluating the main PA on either CT or CXR, what is the next step to determining vascularity?
- Look at the hilar vessels
- How big should the hilar arteries be?
- The right PA should be no larger than the tracheal diameter
- What about the interlobar artery?
- The interlobar artery should be 16 mm or less
- What is Holt oram syndrome known as also?
- Heart Hand syndrome
- What are the cardiac abnormalities?
- ASD, VSD
- What are the hand abnormalities?
- Radial ray abnormalities
- Meaning what?
- Can have absent radius, but always have thumb abnormalities.
- What are the thumb abnormalities?
- Can either be no thumb, or too much thumb -- absence or hypersegmentation (3 phalanges) of thumb
- If you see a line or catheter coming down the SVC into the right ventricle, what other location could it occupy?
- Coronary sinus
- What is significance of this?
- Injection intended to occur in capacious RV can explode the cornonary sinus into the pericardium
- How do you decide whether your line is in the RV or CS?
- Lateral view
- What do you see in lat view if line is in CS?
- Line goes posteriorly to the back of the heart