Overview
Peripheral vascular system supplies limbs and organs with oxygenated blood and returns deoxygenated blood to the heart. Arterial and venous networks include major named vessels and collateral pathways. Vascular integrity and flow determine tissue viability and function.
Arterial Anatomy
Major peripheral arteries include the aorta iliac femoral popliteal tibial and pedal vessels. Arterial disease such as atherosclerosis causes stenosis and ischemia. Imaging with ultrasound CT angiography and MR angiography maps lesions for intervention.
Venous Anatomy
Peripheral veins include deep and superficial systems with valves to prevent reflux. Venous thrombosis and insufficiency lead to swelling pain and ulceration. Duplex ultrasound is the primary modality for venous assessment.
Clinical Relevance
Peripheral arterial disease and venous thromboembolism are common and morbid conditions. Revascularization endovascular therapy and anticoagulation are key treatments. Early diagnosis and risk factor control reduce complications.