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Tissue tracking and strain analysis in HCM with and without VAs. Left column (A,E): color overlap map of short-axis view. Right columns (B–D, F–H): strain analysis curves of GRS, GCS, and GLS. The myocardial strain parameters in a 55-year-old man with VAs (A–D) were much lower than those in a 74-year-old woman without VAs (E–H). GCS, global circumferential strain; GLS, global longitudinal strain; GRS, global radial strain; HCM, hypertrophic cardiomyopathy; VA, ventricular arrhythmia.
