Details in study to understand and learn

Question 1

Three underlying mechanisms for ACS

Answer 1

plaque rupture,

plaque erosion, and calcified nodule

Question 2

Which one is most common and how many %

Answer 2

plaque rupture is

the most common cause (60%) of ACS

Question 3

plaque erosion is responsible

for how many percent?

Answer 3

22–44% of patients

Question 4

plaque erosion occurs over lesions

Answer 4

1. over lesions rich in smooth muscle cells proteoglycans,

2. with superficial endothelial denudation

Question 5

The hallmarks

of plaque erosion

Answer 5

1. preserved vascular integrity (intact fibrous cap),
2. larger residual lumen,
3. and platelet-rich thrombus.