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Background: Cardiovascular abnormalities are common in patients with rheumatologic disorders. Tachy-arrhythmias occur more frequently in these patients than the general population; however, the prevalence of bradyarrhythmias in this group is less clear. This investigation aimed to analyze the incidence and predictors of bradyarrhythmias and conduction disturbances, as well as the presence and influence of cardiologist management, in patients with rheumatologic disorders. Methods: We performed a retrospective chart review of 57 consecutive patients with rheumatologic conditions evaluated at a tertiary-care safety-net hospital. Conduction disturbances were defined by any electrocardiogram (ECG) finding indicating: bradycardia, sinoatrial block of any degree, atrioventricular nodal block of any degree, left anterior or posterior fascicular block, non-specific intraventricular conduction delay, complete or incomplete right bundle branch block, left bundle branch block, or paced rhythm. Univariate and multivariate analyses were used to assess the association of relative predictors of conduction disturbance, the primary outcome of this investigation, as well as the secondary outcome of cardiologist involvement in patient care. Statistical significance was defined as P