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Deviation in myocardial infarction (MI) size and cardiac function by echocardiography. A: ejection fraction (EF) as measured by echocardiography [M mode or 2-dimensional (2-D) mode] in control and MI mice. Data are means ± SD. **P < 0.01 compared with control. B: MI size as measured by echocardiography or direct photo. C and D: EF (measured by 2-D or M mode) was reversely correlated with MI size as measured by echo or direct photo.
