- most catheters have an air injection (balloon inflation) port,
thermistor connector, a distal (pulmonary artery) port, and a Rt Atrial
CVP port;
- some catheters have a third port for fluid administration;
___ Air Inflation Port: Inject 1-1.5 cc of air to inflate balloon tip;
__I__ (sq white end w/ special syringe)
I I
I I
___Thermistor port (white): An electrical connector to allow
I I
I I
connection w/ computer for calc of
CO by thermal dilution;
I_I
I_I ___
V
I
I I Proximal port (blue): for
CVP, fluid administration &
V
I
I_I
and injection of fluid for
CO determination;
I
I
I
___
I I
I
I I Distal port (red): This sits at the end of the
I
I
I_I
catheter, in the pulmonary artery; It is
I____I
I
connected to a transducer to allow meas. of
I
I
pulmonary artery press and wedge press; Mixed
I_______I
venous blood is obtained thru this port;
I
_I__
I
I
I__I Flow balloon
U
Thermistor
