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straindys

Functions for CMR feature tracking strain analysis

Introduction

This R package implements different methods for analyzing CMR feature-tracking derived data from the strain module of the software Segment (v2.0, Medviso®, Lund, Sweden)

DISCLAIMER: This package has no official association with Medviso®

Currently implemented methods

  • Septal-to-Lateral wall Delay (SLD)
    • perc: strainpeak criteria as percent of maximum strain (SLDperc)
    • point: strainpeak criteria with threshold and increase in percentage point strain (SLDpoint)
  • Earliest-to-Latest Segment Delay (ELSD)
    • perc: strainpeak criteria as percent of maximum strain (ELSDperc)
    • point: strainpeak criteria with threshold and increase in percentage point strain (ELSDpoint)
  • Circumferential Uniformity Ratio Estimate (CURE)
  • Circumferential Uniformity Ratio Estimate by Singular Value Decomposition (CURESVD)