“Higher Plasma Levels of Chromium, Molybdenum, and Antimony Increase Arrhythmia Risk, Barium Protective in Occupational Population: A Study”

https://pubmed.ncbi.nlm.nih.gov/38115648

This study found that higher levels of chromium, molybdenum, and antimony in plasma are associated with an increased risk of arrhythmia, while barium is protective against arrhythmia in an occupational population.