Review Article

Fallacies and Possible Remedies of the SYNTAX Score

Table 1

Weighting factor assignment to the RCA system for the right dominance in the SYNTAX score.

Segment numberWeighting

1RCA proximal1.0
2RCA mid1.0
3RCA distal1.0
4Posterior descending artery1.0
16Posterolateral branch from the RCA0.5
16aPosterolateral branch from the RCA0.5
16bPosterolateral branch from the RCA0.5
16cPosterolateral branch from the RCA0.5

RCA = right coronary artery.