主要叙述了利用漂浮导管检测系统检测心输出量并直接测量中心静脉压、肺动脉楔入压的硬件、接口设计原理。

This Paper mainly presents the principle of hardware and interface of the detecting system, this system is used to detect cardiac output, central venous pressure, pulmonary artery pressure directly.

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通过肺动脉导管记录心输出量(CO)、肺毛细血管楔压(PCWP)和中心静脉压(cvp)。

Cardiac output (CO), PCWP and CVP were measured with pulmonary artery catheter.

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所有患者均在有创动脉压监测下予麻醉诱导行双腔气管导管插管，并建立中心静脉压监测，以丙泊酚、芬太尼等维持麻醉。

All the patients were anesthetized with double lumen tube, artery and central vein catheterized for continuous invasive blood pressure and central venous pressure monitoring.

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