The clinician's daily challenge is now to determine at the outset of its review clinic which technique is best suited to confirm the diagnostic hypothesis and especially to define the best therapeutic approach. Choosing the best technique is complicated by rapid technological and performance variables available devices.
In addition to the performance of each technique imaging, the clinician should take account in their choice of cost, availability and specificities of each patient such as age, weight, compliance, renal function, allergies possible, the presence of stent or arterial calcifications, etc..