Which of the following lumens found in a standard balloon floatation catheter would be used to obtain a mixed venous blood sample?
A) Balloon lumen
B) Distal lumen
C) Proximal lumen
D) Thermodilution lumen

Question

Quizplus · Accepted Answer

The balloon lumen is used to inflate the balloon; this is done during insertion of the catheter and measurement of wedge pressure.The distal lumen is positioned in a branch of the pulmonary artery; it is used to measure pulmonary artery pressure,pulmonary artery occlusion pressure,and to obtain mixed venous blood sample.The proximal lumen is positioned in the right atrium and is used to measure central venous pressure.The thermodilution lumen is used to measure cardiac output.

Which of the Following Lumens Found in a Standard Balloon