下肢深静脉血栓形成和肺动脉栓塞统称为静脉血栓栓塞症,常被认为是一种病理过程的不同表现,是临床上常见的疾病。早期诊断对于疾病的治疗有重要意义。常用的诊断方法包括D-二聚体、血气分析、心电图、胸片、超声、放射性核素扫描、CT、磁共振成像、数字减影血管造影等。每种诊断方法都有其优缺点。 Lower extremity deep venous thrombosis and pulmonary embolism are collectively referred to as venous thromboembolism, often considered as a manifestation of a pathological process, is a clinically common disease. Early diagnosis of the disease is of great significance. Commonly used diagnostic methods include D-dimer, blood gas analysis, electrocardiogram, chest radiography, ultrasound, radionuclide scan, CT, magnetic resonance imaging, digital subtraction angiography. Each diagnostic method has its advantages and disadvantages.