Workshop 2.1: Clinical Diagnosis of Cardiovascular Disease: symptoms tests & Flashcards
1
Q
What is an ejection fraction?
A
The measure of the hearts squeezing ability, the difference between diastole and systole.
2
Q
What is diastole?
A
Relaxation of the heart
3
Q
What is systole?
A
When the heart squeezes
4
Q
What is the ejection fraction measured in?
A
Percent
5
Q
What is the normal ejection fraction?
A
55-65%
6
Q
What is the value of a severe ejection fraction?
A
< 20%
7
Q
How can ejection fraction be measured?
A
- Echocardiography
- Nuclear scanning
- Cardiac catherisation