Coronary Artery Z-Score Smackdown

Comparing Multiple References

Select reference to plot:



  • Plots are mean ±1.96 SD for the LMCA.

Or, for a different perspective, check out these coronary dimension vs. z-score plots for a few hypothetical cases:



I used the following data for the above calculations/charts:

  • Infant, Female: 65 cm; 7.3 kg;
  • Toddler, Female: 85 cm; 12 kg;
  • Child, Male: 134 cm; 28.7 kg