Renal angiography
A flush aortogram finds the renal ostia and counts the arteries; then each kidney is filled through a Cobra catheter turned into its ostium. Turn the C-arm and see why the ostium is opened in an oblique toward the side being filled.
Angiogram
AP 0° 0°
Seen as from the detector: in AP the patient's left is on your right, the head at the top.
Segmental renal arteries are end arteries: block one and its segment of kidney infarcts, so which division a lesion lies in matters.
Projection map
3D model
Gantry
Anatomy: BodyParts3D, © DBCLS, CC BY-SA 2.1 Japan — the atlas's own arteries, branch by branch, with the bones and organs around them.