TNNI3 and Tako-tsubo cardiomyopathy: Also, like those with Takotsubo cardiomyopathy, our data showed that patients with elevated cTnI were closely related to systolic dysfunction (e.g., LVEF) or regional wall motion abnormality and not to diastolic dysfunction (e.g., DT, E/e′) or global wall motion abnormality (Table 4)28–30.