Invited Lecture Session 1: Standardization in Parametric Mapping (2019)-Normal Values

Video Transcription

Video Summary

The speaker explains that quantitative cardiac mapping can detect early disease, but defining “normal” is difficult because results vary by scanner vendor, field strength, sequence, contrast use, timing, and cardiac phase. Phantom and human studies show meaningful differences between 1.5T and 3T, as well as between systole and diastole and across myocardial regions. Reproducible, locally validated methods are essential, and published reference values should be used only as benchmarks. Age and gender also influence normal ranges. Overall, multiparametric mapping is promising, but clinical use requires consistency, expertise, and careful local standardization.

Keywords

quantitative cardiac mapping

normal reference values

scanner variability

myocardial tissue characterization

local standardization