[The natural variance of transient myocardial ischemia in coronary artery patients].
Sixty patients of CAD were studied with 24 and 48 hours ambulatory electrocardiogram monitoring. The day-to-day natural variances of transient myocardial ischemia in this group were analysed. The ranges of variation of myocardial ischemia based on a 95% confidence interval were confirmed. The results showed that the day-to-day variances of ischemia between the different days were: (1) 43% in number of ischemia episodes, (2) 76% in duration, (3) 53% in integration, and (4) 48% in maximal degree of ST depression.
Feng
X
X
Guangdong provincial Cardiovascular Institute, Guangzhou.
Feng
J
J
D000704:Analysis of Variance; D002940:Circadian Rhythm; D016001:Confidence Intervals; D003327:Coronary Disease / Q000503:physiopathology*; D015716:Electrocardiography, Ambulatory; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged