Fig. 1From: Major depression disorder may causally associate with the increased atrial fibrillation risk: evidence from two-sample mendelian randomization analysesFlow chart of the analyses and core hypotheses for the two-sample Mendelian Randomization (MR) study. MR model of major depressive disorder (MDD) and risk of atrial fibrillation. The approach is based on the hypothesis that the genetic variations impact solely through MDD and are linked to the condition itself but not to confoundersBack to article page