oxygenation & perfusion Flashcards
1
Q
amount of blood the heart can pump out in one minute
A
cardiac output
2
Q
the volume of blood ejected with each beat
A
stroke volume
3
Q
volume of blood lead to ventricular stretch at end of diastole
A
preload
4
Q
amount of resistance heart must overcome to open aortic valve & push blood volume out into systemic circulation
A
afterload
5
Q
cardiac output =
A
stroke volume x HR
6
Q
air movement into lungs
A
inspiration
7
Q
air movement out of the lungs
A
expiration
8
Q
a disturbance of rhythm of heart
A
dysrhythmia
9
Q
insufficient oxygen supply
A
ischemia
10
Q
chest pain
A
angina
11
Q
occurs when the heart is unable to pump a sifficient blood supply, resulting in inadequate perfusion & oxygenation issues
- SOB, edema, fatigue
A
heart failure