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Interoperator (2 operators) Bland-Altman plots. A: GRS is global circumferential strain, 5% (1/20) measurement is out of limit of agreement; B: GCS is global radial strain, no measurement is out of limit of agreement; C: GLS is global longitudinal strain, no measurement is out of limit of agreement; D: LVtw is left ventricular twist, 5% (1/20) measurement is out of limit of agreement.
