Critical care Cardio Flashcards
What is a sleep consideration for crit pats and their fam
if they want to stay with pat its okay but tell them not to speak to them so they can sleep
What is cardiac index
CO against systemic vascular resistance
What is normal cardiac index
2.5-4 L/min
What are some positive inotropes
Epinephrine, norepinephrine (Levophed), isoproterenol (Isuprel) dopamine (Intropin), dobutamine (Dobutrex), digoxin calcium milrinone
What are some negative inotropics
alc
calcium channel blockers
beta blockers
How to measure contractility
measurements of PAWP and CO
How would you tell if the med you gave successfully increased the pats contractility
If preload, heart rate, and afterload remain constant yet CO changes
What things do you need for pressure tubign
disposable tranducer system
pressureized flush system
When does the transducer on pressure tubing need to be re-zero’d
everytime they are repositioned
What are some considerations for transducers in pressure tubing
needs to be zero’d everytime they are repositioned
needs to be level with the heart
What spot is considered level with the heart and whats it called
phlebostatic axis
the intersection of a horizontal line at the 4th intercostal space level with the sternum and a vertical line going down the middle of the body from a side view
Why no heparin in flush bag
found to cause heparin-induced thrombocytopenia (HIT)
How often do pressure tubing need to be replaced
q72h
How often should pressure tubign be flushed
q1-4h
How much pressure does a flush bag need to have
300mmhg
