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Obesity predisposes to arrhythmias and heart failure. Beside the relationship with traditional risk factors, obesity is associated with myocardial fat deposition, insulin resistance and altered metabolic profile, which contribute to the development of atrial and ventricular remodeling, systolic and diastolic dysfunction and to increased ventricular filling pressures and finally to arrhythmias and overt HF. CV, cardiovascular; O2, oxygen.
