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.