phys 31.txt

What happens to the cardiac/vascular graph with positive inotropicity?
- OC move counter-clockwise
- **increased CO = increased SV = less RAP
What happens to the cardiac/vascular graph with negative inotropicity?
- OC moves clockwise
- ** CO decreases = SV decreases = More RAP
What happens with increased venous tone?

decreased compacitance = decreased unstressed volume
What happens with decreased venous tone?

Increased capacitance = increased unstressed volume
What is the stress diff. b/t arteries and veins?
- Arteries = stressed
- Veins = unstressed
Which is more elastic, veins or arteries?
- Arteries
- ***Veins are more collapsible
If your RAP increases, what happens to EDV and CO?

EDV & CO increase
If RAP decreases, what happens to EDV and CO?

EDV & CO decrease
If you increase RAP, what happens to atrial filling and venous return?
- Atrial Filling = decreased
- Venous return = decreased
If you decrease RAP, what happens to atrial filling and venous return?
- atrial filling = increase
- venous return = increase
What does Mean systemic pressure refer to?

When the RAP is maxed out and there is no venous return

Author

kepling

64128

Card Set

phys 31.txt

Description

Physiology 31

Updated

2011-02-04T20:49:51Z

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