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Table 2 Characteristics of exercise-induced changes in FMR

From: Assessing functional mitral regurgitation with exercise echocardiography: rationale and clinical applications

1. greatly differ among patients
2. do not correlate with the degree of FMR at rest
3. do not correlate with LV dysfunction per se
4. mainly correlate with changes in mitral valve deformation
5. are more affected by local than global LV function and remodelling
6. are favourably affected by recruitable contractile reserve