“…10 However, there is certainly no consensus regarding the beneficial effects of supplementation, as confusingly, other reports have found that magnesium supplementation may actually increase the rate of AFACS rather than reduce it. 11 Especially needed now are adequately powered prospective studies that systematically tease out whether the purported prophylactic interventions for AFACS actually work, 12 including the use of magnesium supplementation routinely in patients who already have serum levels within the normal range. When these studies are completed, the answer known, the consensus established, and the memory of life before the study forgotten, few will remember the controversy.…”