Principles of Cardiac Dysfunction Flashcards
1
Q
how does cardiac failure start?
A
cardiac hypertrophy
2
Q
what are 2 patterns of cardiac hypertrophy
A
- concentric (pressure-overload) hypertrophy
2. volume-overload hypertrophy
3
Q
what are the most common causes of concentric (pressure overload) hypertrophy
A
- hypertension
2. aortic stenosis
4
Q
how is concentric (pressure overload) sacromeres assembled
A
new sacromeres are parallel to long axes of myocytes
5
Q
what does the heart look like in concentric pressure-overload hypertrophy
A
increase wall