Diastolic Function

Question 1

What are the 4 stages of Ventricular diastolic filling?

Answer 1

1. IVRT
2. Rapid Passive Filling
3. Diastasis
4. A Kick

Question 2

What affects diastolic filling?

Answer 2

1. Anything that interferes with the 4 stages of diastolic filling
2. Mechanical and Pressure problems

Question 3

How do you calculate a Left Atrial Pressure?

Answer 3

LAP = [ (E/E’) x 1.25 + 1.9 ]

Question 4

What does the E in the LAP equation stand for?

Answer 4

M-mode velocity of the Mitral Valve

Question 5

What does the E’ in the LAP equation stand for?

Answer 5

The tissue doppler velocity of the Mitral Valve

Question 6

What are the steps in ruling out PHTN?

Answer 6

RVESP = 4 ( VmaxTR) ^2 + RAP

Question 7

Name all of the components of Tissue Doppler:

Answer 7

E’ - The first velocity, LV is filling
A’ - The second velocity, Motion of the annulus when the atria contract.
Sm - The third velocity, The systolic velocity / Ventricle is contracting. The only “upward” velocity because the tissue is moving toward the probe.

Question 8

____ / ____ measures the relationship between rapid passive filling and atrial contribution of diastolic filling using tissue doppler.

Answer 8

E’ / A’

Question 9

Tissue Doppler measures the velocity of the ____ ____ in diastole and the ____ in systole

Answer 9

longitudinal lengthening, shortening

Question 10

The values for LA Volumes are:

Normal:
Mild:
Moderate:
Severe:

Answer 10

Normal: 22 +/- 6 mL/m^2
Mild: 29 - 33 mL/m^2
Moderate: 34 - 39 mL/m^2
Severe: > 40 mL/m^2