This examination measures if there is narrowing in the blood vessels to your legs. You uncover your upper arms, legs and feet and lie on the exam table. With an ultrasound machine the blood vessels at the ankles will be looked up and by means of the ultrasound the bloodstream will be audible. Then the blood pressure belt will be attached to the lower legs and in will turn be inflated. The inflating of the belts can be a bit painful. The same will happen to the upper arms. By means of an calculation can be decided if the blood flow to the legs is inadequate. The examination will be carried out by the practice assistant.