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Table 1 The effect of PS2 interval, PR interval and its time difference on QRS complex

From: Preexcitation syndrome: experimental study on the electrocardiogram of antegradely conducting accessory pathway

Model PR interval a(ms) PS2 intervalb/time difference between PS2 interval and PR intervalc (ms)
Complete ventricular preexcitation Incomplete ventricular preexcitation Incomplete latent preexcitation Complete latent preexcitation
1 65 <25 / <-40 30~ 60 / -35~ − 5 65~ 85 / 0~ 20 >90 / >25
2 60 <15 / <-45 20~ 55 / -40~ − 5 60~ 75 / 0~ 15 >80 / >20
3 60 <25 / <-35 30~ 55 / -30~ − 5 60~ 70 / 0~ 10 >75 / >15
4 75 <15 / <-60 20~ 70 / -55~ − 5 75~ 85 / 0~ 10 >90 / >15
5 70 <5 / < -65 10~ 65 /−60~ − 5 70~ 85 / 0~ 15 >90 / >20
6 70 <20 / < -50 25~ 65 /−45~ − 5 70~ 80 / 0~ 10 >85 / >15
7 60 <20 / <-40 25~ 55 /−35~ − 5 60~ 75 / 0~ 15 >80 / >20
8 65 <15 / <-50 20~ 60 /−45~ − 5 65~ 75 / 0~ 10 >80 / >15
9 70 <20 / <-50 25~ 65 /−45~ − 5 70~ 85 / 0~ 15 >90 / >20
10 60 <15 / <-45 20~ 55 /−  40~ − 5 60~ 70 / 0~ 10 >75 / >15
  1. Note:aindicates the time of conduction through normal pathway. bindicates the time of conduction through accessory pathway. cindicates the time difference of conduction through accessory pathway and normal pathway