“…Malabsorptive, immunological and infectious causes were proposed to explain the correlation between both diseases [12,13,14]. It has been demonstrated that the introduction of GFD may improve ejection fraction; some patients benefit exclusively from a diet therapy associated with the discontinuation of the immunosuppressive treatment [9]. Our case report confirms such an approach with the recovery of ejection fraction with values >50% through a 4-year term and the complete discontinuation of anti-arrhythmic drugs.…”