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Coding for Boards – Sample

NOTE: You must select a description for the degree of the most severe stenosis in each diseased vessel shown.

Normal
Untitled
Insignificant stenosis (<50% diameter reduction)
Moderate stenosis (50 to 75% diameter reduction)
Severe stenosis (>75% diameter reduction)
Total occlusion
Filled by collaterals
Spasm
Thrombus present
Myocardial bridge
Anomalous origin
Coronary fistula
Aneurysm/Severe ectasia
Bypass graft to (indicate observed anatomical connection)
Dissection
Stent: patent
Stent: occluded

For the LM, there is an Insignificant stenosis.

For the LAD, the correct answers are patent stent and Moderate stenosis.

For the LCX, the correct answers are patent stent and Severe stenosis.

This angiogram has several key findings. Without contrast, on x-ray you can see there are stents in the LAD, diagonal and LCX. All stents are patent, though there is some moderate in-stent restenosis (ISR) in the mid to distal LAD

What appears to be a ramus or high OM1 branch has a severe ostial lesion. Additionally there is a moderate ostial LCX lesion and a mild ostial LAD lesion.