Ionotropic Drugs Flashcards
0
Q
Main organs affected by cardiac failure?
A
Kidney.
1
Q
Explain what is afterload.
A
The pressure against which the left ventricle pumps.
2
Q
What does the Kidney do when its blood supply decreases?
A
Causes renin release.
3
Q
What is Aldosterone?
A
A mineralocorticoid which causes Na and water retention and Potassium excretion.
4
Q
When fluid retention is increased what happens to the preload?
A
The preload increases.
5
Q
However angiotensin 2 has another effect, rather than the production of adolsterone which is significant in relation to blood pressure. What is this?
A
Vasoconstriction.
6
Q
What does vasoconstriction do?
A
Increase afterload.
7
Q
Vasodilation.
A
Decrease afterload.
8
Q
TPR.
A
Total peripheral resistance.
