part 1 Flashcards
1
Q
Is there a cure for heart failure?
A
- no cure
- the goal is to slow progression and limit exacerbations
2
Q
How is the severity of heart failure graded?
A
-on how much activity it takes to make the client symptomatic (chest pain, shortness of breath)
3
Q
What are the primary causes of heart failure?
A
CAD MI HTN rheumatic heart disease heart defects valvular heart disease hyperthyroidism cardiomyopathy
4
Q
the amount of blood in the ventricles at the end of diastole
A
preload
5
Q
the amount of peripheral resistance the left ventricle must overcome to pump the blood forward
A
afterlaod
6
Q
the volume of blood pumped with each heartbeat
A
stroke volume (60-150 ml/beat)
7
Q
the amount of blood pumped out of the heart each minute (4-8 L/min)
A
cardiac output
8
Q
- proportion of the amount of blood in the ventricles that is ejected when the left ventricle depolarizes
- provides info about the function of the left ventricle
A
ejection fraction (EF)
9
Q
What is normal EF?
A
-55-65% not exceeding 70% at rest
