Effects of LV foreshorthening on AFI strain

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Figure 3. AFI strain, 2D apical 2-chamber, operator 1
Figure 4. AFI strain, 2D apical 2-chamber, operator 2

AFI strain algorithm applied to the 2- and 3-chamber views.
Figures 3 and 5: 2-chamber and 3-chamber views acquired by Operator 1.
Figures 4 and 6: 2-chamber and 3-chamber views acquired by Operator 2.
In these views, the less experienced operator (operator 1) obtains LV views with preserved LV long axis.

Figure 5. AFI strain, 2D apical 3-chamber, operator 1
Figure 6. AFI strain, 2D apical 3-chamber, operator 2
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