Diagnostic performance of selected ECG findings in the recognition of reduced left ventricular ejection fraction (<0.50) in <i>T.cruzi</i> seropositive blood donors.
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Data is presented as median (interquartile range) * Reported if <0.05** HRV data available in 24 seropositive subjects with LVEF<0.50 and 433 with LVEF> = 0.50. seropositive and 458 seronegative subjects. QTc: corrected QT interval by Bazett's formula; HRV: heart rate variability; rmssd: root mean square of successive differences in normal RR intervals; sdnn: standard deviation of all normal RR intervals.
创建时间：
2013-02-28
