Terms Flashcards
1
Q
Preload
A
the amount of blood in the ventricles before contraction
2
Q
Afterload
A
the force against which the heart must pump
3
Q
Compliance
A
the extent to which the pressure of the vascular system increases as volume increases
4
Q
chronotropic
A
drugs that affect the heart rate
5
Q
dromotropic
A
drugs that alter the rhythm or electrical contraction of the heart
6
Q
intropic
A
drugs that affect the force of contraction
7
Q
automaticity
A
the ability to generate pacemaking activity and is normal when activity originates in the SA node.
