Table 3.
AV synchrony in patients with high PVC burden
Patient # | AV conduction status | Sinus node status | PVC burden | AV synchrony (%) |
---|---|---|---|---|
1 | 1:1 | Normal | 35.8 | 63.4 |
2 | Third degree AV block | Normal | 9.2 | 81.9 |
3 | Intermittent third degree AV block | Normal | 8.3 | 5.9a |
4 | Third degree AV block | Normal+PACs | 4.6 | 92.5 |
5 | Second degree AV block | Sinus brady | 5.6 | 95.4 |
Abbreviations: AV, atrio‐ventricular; PVC, premature ventricular contraction.
This patient had a long P‐R interval (median, 375 ms). The pre‐defined definition of AV synchrony was P‐R < 300 ms, which led to the low AV synchrony.