Strain Flashcards
1
Q
GLS - how?
A
Measured using speckle tracking imaging
2
Q
GLS
– loading conditions?
– early/middle/late systolic dysfunction?
A
- independent of loading conditions
– sensitive for detection of early LV systolic dysfunction. 
3
Q
True or false?
Strain is more sensitive than EF for detection of early myocardial dysfunction.
A
Definitely true
4
Q
Is strain more or less dependent on loading conditions compared with EF
A
Less dependent on loading conditions
5
Q
Global
Longitudinal
Strain
A
– Measured from all three apical views. (4C, 2C, 3C)
– single negative number
– Normal is about -20%
– Smaller number = impaired LV function.
6
Q
What does speckle tracking measure?
A
Longitudinal strain
7
Q
Strain measures what
A
Myocardial shortening, reflecting LV systolic performance 
