I82.2

Clinical Causes: Prolonged immobility, such as extended bed rest or long-haul travel Trauma or injury to chest or major veins Recent surgery, especially involving the chest or abdomen Malignancies or cancers that increase blood clot risk Inherited clotting disorders (e.g., factor V Leiden deficiency, protein C or S deficiency) Infections or inflammatory conditions affecting blood vessels Central venous catheters or other invasive devices placed in the veins Obesity, smoking, or oral contraceptive use may also contribute

Key Symptoms: Swelling in the upper body, neck, or face Pain or tenderness in the chest or upper limbs Dilated superficial veins on the chest or neck Difficulty breathing or shortness of breath Rapid heartbeat or palpitations Dizziness or fainting in severe cases Cyanosis (bluish discoloration) of lips or face Persistent cough or coughing up blood (less common)

Diagnosis Path: Diagnosis of embolism and thrombosis in these veins involves a combination of medical history review, physical examination, and imaging studies. Common diagnostic tools include: - Duplex ultrasound to visualize blood flow and detect clots, - Computed tomography (CT) venography for detailed imaging, - Magnetic resonance imaging (MRI), - Venography typically performed when other tests are inconclusive. Blood tests, like D-dimer, may support the diagnosis by indicating active clot formation, though they are not definitive. Further assessment with echocardiography might be necessary when pulmonary embolism is suspected.

Treatment Protocols: Treatment strategies focus on dissolving or removing the clot, preventing new clots, and reducing the risk of complications. - Anticoagulant medications, such as heparin and warfarin, are commonly used to thin the blood and prevent clot growth. - Thrombolytic therapy may be considered in severe cases where rapid clot dissolution is necessary. - In some situations, surgical intervention or catheter-directed procedures to remove or break up the clot are performed. - Supportive care includes bed rest, elevation of affected limbs, and oxygen therapy if breathing difficulties occur. - Long-term management might involve continued anticoagulation therapy and addressing underlying risk factors like obesity or malignancy.