Podcast
Questions and Answers
What is characteristic of a dynamic subaortic obstruction velocity curve?
What is characteristic of a dynamic subaortic obstruction velocity curve?
- Linear increase in velocity
- Erratic velocity pattern
- Concave upward in early systole (correct)
- Triangular shape
What is the transvalvular aortic gradient?
What is the transvalvular aortic gradient?
- The pressure difference between the left ventricle and aorta in systole (correct)
- The pressure difference between the right ventricle and pulmonary artery
- The pressure difference between the aorta and left atrium
- The difference between the left atrium and left ventricle pressures
Why is the calculation of the mean gradient important?
Why is the calculation of the mean gradient important?
- It has potential advantages over the peak gradient (correct)
- It is only used in research studies
- It is easier to calculate than the peak gradient
- It provides a more accurate measurement of stenosis severity
How is the transaortic pressure gradient calculated?
How is the transaortic pressure gradient calculated?
What is the relationship between the peak gradient and mean gradient?
What is the relationship between the peak gradient and mean gradient?
How is the mean gradient calculated?
How is the mean gradient calculated?
What is the primary use of the CWD velocity curve in determining the type of obstruction?
What is the primary use of the CWD velocity curve in determining the type of obstruction?
What is the typical shape of the velocity curve in early systole for dynamic subaortic obstruction?
What is the typical shape of the velocity curve in early systole for dynamic subaortic obstruction?
What is the advantage of reporting the mean gradient over the peak gradient?
What is the advantage of reporting the mean gradient over the peak gradient?
What is the relationship between the peak velocity and the maximum gradient?
What is the relationship between the peak velocity and the maximum gradient?
What is the purpose of calculating the mean gradient?
What is the purpose of calculating the mean gradient?
What is the variable used to calculate the transaortic pressure gradient?
What is the variable used to calculate the transaortic pressure gradient?
