Swan-Ganz catheter

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Swan-Ganz catheter (sw

)

A soft catheter with an expandable balloon tip that is used for measuring blood pressure in the pulmonary artery.

Swan-Ganz catheter

a soft, flow-directed catheter with a balloon at the tip for measuring pulmonary arterial pressures, right atrial pressures, left atrial pressure, and reflected left ventricular end-diastolic pressure.

The catheter permits evaluation of cardiac function by assessing the effectiveness of right and left pumping action of the heart and providing a quantitative measurement of cardiac output, and by allowing for sampling of mixed arterial-venous oxygen levels and calculation of differences between the two.

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