Cardio Pathophysiology
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1. Visceral Peri- serous membrane with a small amount of lubricating fluid to facilitate heart
cardium movements with outer layer
2. Myocardium middle layer made of specialized cardiac muscle cells
3. Endocardium inner layer which also forms the four heart valves
4. AV Valves tricuspid and mitral; separate atria from ventricles
5. Semilunar Valves aortic and pulmonic (each have three cusps); located at exits to the large arteries
from ventricles
6. Cardiomegaly increased cardiac weight, size, or both due to hypertrophy and/or dilation
7. Which ventricle right ventricle
has a thinner wall
and lower pres-
sure?
8. Why do atria Atrial myocytes are more haphazardly arranged.
have a weaker
contractile force?
9. What are the two stenosis and weakening of vessel walls
principal mecha-
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