More Cardiovascular Review Flashcards
1
Q
Systole
A
Contraction
2
Q
Diastole
A
Relaxation
3
Q
Inotropy
A
Force of contraction
4
Q
What is sinus rhythm
A
A regular rhythm that originates from the SA node
5
Q
Sinus arrythmia
A
A rhythm originating from the SA node that is not regular (respiratory influence)
6
Q
Arrhythmia
A
Irregular rhythm possibly from various origins
7
Q
What is preload
A
End diastolic volume, the amount of blood in the heart before contraction
8
Q
Increased preload increases what two things
A
Cardiac output and Stroke volume
9
Q
What is afterload
A
Ventricle emptying resistance (aortic pressure)
10
Q
What does an increase in afterload do to cardiac output
A
Decreases
