I82.B23

Clinical Causes: Repeated injury or trauma to the subclavian veins Prolonged immobility or inactivity, which promotes blood clot formation Underlying clotting disorders that increase the likelihood of thrombosis Cancer or certain malignancies that can predispose individuals to blood clots Central venous catheters or pacemaker leads that irritate or damage the veins Chronic inflammation or infections involving the veins History of deep vein thrombosis (DVT) or pulmonary embolism Lifestyle factors such as smoking or obesity

Key Symptoms: Swelling in both arms, often persistent and worsening over time A feeling of heaviness or fullness in the arms Pain or tenderness in the shoulder or upper arm areas Discoloration or redness of the skin around the affected veins Visible enlarged veins near the collarbone or chest Limited movement or weakness in the arms due to discomfort Claudication or cramping, especially during physical activity Shortness of breath or chest pain, although less common

Diagnosis Path: Physical examination focusing on swelling, skin changes, and vein visibility Ultrasound Doppler imaging to visualize blood flow and detect blockages Venography, an imaging technique involving contrast dye to examine vein structure Magnetic resonance angiography (MRA) or computed tomography angiography (CTA) for detailed images Blood tests to identify clotting disorders or related abnormalities

Treatment Protocols: Anticoagulant medications (blood thinners) to prevent new clots and stabilize existing ones Thrombolytic therapy, where clot-dissolving drugs may be used in specific cases Surgical interventions such as clot removal or vein bypass procedures if necessary Placement of stents to keep veins open and ensure proper blood flow Lifestyle modifications including quitting smoking, weight management, and physical activity Compression therapy with specialized sleeves to reduce swelling Addressing underlying causes, such as treating infections or managing clotting disorders