Fig. 1From: The impact of maintaining serum potassium ≥3.6 mEq/L vs ≥4.5 mEq/L on the incidence of new-onset atrial fibrillation in the first 120 hours after isolated elective coronary artery bypass grafting – study protocol for a randomised feasibility trial for the proposed Tight K randomized non-inferiority trialFlowchart of the study protocol. CABG, coronary artery bypass grafting; AF atrial fibrillation; post-op, post-operativeBack to article page