| Strain indices . | Description . | Physical significance . |
|---|---|---|
| Maximum accumulated strain index (MASI) | Maximum accumulated average strain value in a region of interest (ROI) in plaque | Defines the maximum instability in plaque based on the peak (magnitude) strain value |
| Peak to Trough (PTT) | Difference in the maximum to the minimum average value in the ROI used for MASI | Quantifies the temporal fluctuations in the maximum peak-to-trough strain value |
| Strain indices | Description | Physical significance |
|---|---|---|
| Maximum accumulated strain index (MASI) | Maximum accumulated average strain value in a region of interest (ROI) in plaque | Defines the maximum instability in plaque based on the peak (magnitude) strain value |
| Peak to Trough (PTT) | Difference in the maximum to the minimum average value in the ROI used for MASI | Quantifies the temporal fluctuations in the maximum peak-to-trough strain value |
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