but there happen to be other people who are resistant to medication as well, so are they left with no options ... of blood outside the artery or a tear in the renal artery.

Intra-arterial (Coronary arteriography and left ventriculography): Right/left coronary artery: 3–14mL ... max 150mL. Renal impairment: use lowest necessary dose. <2yrs: not established.

Left coronary artery: 3–10mL; Left ventricle: 20–45mL (max 200mL); Renal arteries: 8–18mL; Aortography: 30–70mL; Major branches of aorta: 10–70mL; Aortofemoral runoffs: 20–90mL ...