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Cardiac CT Quiz

Take this casual quiz to see just how much you know about Cardiac CT. Click on the image and the answer will appear in a pop-up window. To see the next image, click the next button on the bottom of the screen.

Why does the patient have CHF with normal LV function?
Answer: He has constrictive pericarditis.
Why does this young man with chest trauma have elevation of troponin?
Answer: There is occlusion of the right posterolateral artery.
Which vessel is anomalous? Is there a risk of sudden death?
Answer: LAD. No, it is not between Ao and PA.
Why is the RV enlarged?
Answer: There is a sinus venosus ASD, marked with yellow angle on this oblique still image. As expected, partial anomalous pulmonary venous return is also present (purple arrow)
Why does this 52 yo TSA agent has CP while X-raying your luggage?
Answer: His RCA is occluded.
How severe is the lesion in the distal RCA?
Answer: 100%.
What is in the left atrial appendage in this woman with AF?
Answer: There is no thrombus. This is artifact due to LA stasis.
Where is this LAD location likely to be more severe, A or B ?
Answer: A; calcification exaggerates the stenosis.
This 27 yo's father had MI at age 27. He adheres to a healthy lifestyle. Has he dodged the genetic bullet?
Answer: No. There is non-obstructive disease in the LAD.
What is a potential cause of post-exercise syncope in this young man?
Answer: Anomalous origin of the RCA, coursing between aorta and pulmonary artery.
Why did this 68 year old man do poorly after replacement of aortic valve with a porcine bioprosthesis?
Answer: There is a spiculated lung mass which turned out to be lung ca.
This 34 yo woman had atypical chest pain. Comment on plaque characteristics.
Answer: There is positive remodeling and spotty calcification. The extent of disease can be quantified using special software. Low density plaque is highlighted in red, intermediate density plaque in blue, and calcified plaque in yellow.
Why are there runs of non-sustained VT?
Answer: There is a focal lateral aneurysm due to cardiac sarcoidosis.
This 70 year old woman with a calcium score of zero complains of chest pain. What is the abnormality?
Answer: Severe stenosis in proximal LAD.

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