Support providers in the evaluation and treatment of chronic venous insufficiency, varicose veins, venous ulcers, lymphedema, lipedema, vascular lesions, and other disorders of the venous, lymphatic, and vascular systems. . Perform non-invasive vascular and venous ultrasound examinations, including Doppler studies, venous reflux evaluations, and vein mapping, within the individual's training, certification, organizational policy, and applicable law. .