Research Article

Discussion on Repolarization Reserve between Patients with Coronary Heart Disease and Normal Controls

Table 1

RR interval and QT intervals as well as QTc values of normal controls during different exercise periods ().

IndexValue

Number67
Age
Before exercise
 RR interval
 QT interval
 QTc value
90 beats/minute during exercise
 RR interval
 QT interval
 QTc value
120 beats/minute during exercise
 RR interval
 QT interval
 QTc value
Maximum heart rate during exercise
 RR interval
 QT interval
 QTc value
During the recovery period (1 minute after exercise)
 RR interval
 QT interval
 QTc value
During the recovery period (3 minute after exercise)
 RR interval
 QT interval
 QTc value