
    recruitment issue: enrollment expectation not met
  
['atrial fibrillation']
['metformin']

        Inclusion Criteria:

          -  All individuals diagnosed with Atrial Fibrillation and choosing to undergo a rhythm
             control strategy at Robert Packer Hospital with a BMI ≥ 27 will be eligible for the
             study. All subjects must be able to understand and willing to sign a written informed
             consent document.

        Exclusion Criteria:

          -  Individuals who are already taking metformin or other antidiabetic medications
             including insulin, have a diagnosis of diabetes, have a known allergy or FDA-labeled
             contraindication to taking metformin, eGFR below 30 mL/min per 1.73 m2 or other
             clinical diagnosis of advanced renal disease,, have acute or chronic metabolic
             acidosis (serum bicarbonate <22 mEq/L), have a history of significant alcohol use (>2
             drinks/day on average), have a history of hepatic dysfunction (serum bilirubin 1.5X
             greater than the upper limit of normal), have a history of New York Heart Association
             (NYHA) Class III or IV heart failure, or are pregnant will be excluded from the trial.
      