Hemodynamic monitoring Flashcards
What is the most important aspect of hemodynamic monitoring?
Determining stroke volume
what color is the proximal lumen?
What do you do with this lumen?
Blue
Measure CVP
what color is the distal lumen?
what does it measure?
Yellow
measures pulmonary artery
What color is the ballon inflation port?
How much air is required?
red
1.5 cc
what color is the infusioln port?
white
what is th emost common site for pulmonary artery caths?
Subclavian vein
Where should the transducer be placed?
level with the right atrium
fourth intercostal space mid axillary line
If the transducer is lower than the phlebostatic axis it will cause what?
false high readings
If the transducer is higher than the phlebostatic axis it will cause what?
false lower readings
When should you level your transducer?
whenever a reading is taken
insertion
change in patients position
what are some causes of elevated CVP?
right sided heart failure cardiac tammponade pulmonary hypertention volume overload positive pressure ventilation
What are cause of low CVP?
Volume depletion
vasodialtaion
What is the maximum amount of time the balloon should be inflated?
15 seconds
What is a normal cardiac index?
2.5 - 4 l/m/m2
What is a normal SvO2?
60 - 80%