Can any cardio thoracic surgeon and radiologist please tell if they experience any difficulty in detecting the nodal arteries during angiograms?
Do you see the origin and the course?
In LAO views the first branch of RCA or a slightly superior separate origin to the RCA is the sinus nodal branch and it courses usually to the left of the proximal RCA. In RAO views this branch courses away to the right of the proximal RCA,
A AV nodal branch however most commonly arises from the mid (horizontal part ) PLV branch of RCA (or LCX if dominant) and courses directly upwards in RAO cranial views.
Have you used processing techniques on these images? Here I am talking about filtering, contrast improvement and segmentation (to name just a few).
These are small caliber arteries and the examination does not necessarily focus on them. Nitroglycerin spayed sublingually can help achieve vasodilatation before angiographic images are taken.
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