Chronic Ischemic Heart Disease Flashcards
1
Q
What is the difference between acute coronary syndrome and chronic coronary syndrome?
A
acute: sudden reduction in blood flow
chronic: abrupt increase in demand but limited ability to increase oxygen supply
2
Q
What is positive (compensatory) remodeling means?
A
Coronary lumen size maintained by compensatory enlargement
of the elastic external membrane as the atheroma volume increases
3
Q
What is the central feature of chronic coronary syndrome?
A
negative (loss of positive) remodeling
4
Q
When does myocardial blood flow happen?
A
80% in diastole, 20% in systole
5
Q
What is typical angina?
A
Meets all three of the following:
- Substernal chest discomfort of characteristic quality and duration
- Provoked by exertion or emotional stress
- Relieved by rest and/or GTN
6
Q
What is atypical angina?
A
Meets only two of the typical angina criteria
7
Q
What is non-cardiac chest pain
A
Meets only one or none of the typical angina criteria
