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心导管检查技术是经周围血管送入一条特制导管至心脏的某一部位进行诊断和研究心脏疾病的一门专科技术，分为右心导管检查术和左心导管检查术。右心导管检查术即经周围静脉把心导管依次送至腔静脉、右心房、右心室、肺动脉及其分支，根据导管的走行经路，观察各部位的压力及血
Cardiac catheterization technique is a specialized technology for diagnosing and studying heart diseases by sending a special catheter around the blood vessel to a certain part of the heart, and is divided into right heart catheterization and left heart catheterization. Right heart catheterization that is through the peripheral venous catheter to the vena cava, right atrium, right ventricle, pulmonary artery and its branches, according to the catheter’s walk through the road to observe the various parts of the pressure and blood