This issue of Clinics in Geriatric Medicine focuses on the pharmacological, non-pharmacological, and device therapies in the medical management of cardiac rhythm disorders in the elderly population. It also reviews the epidemiology of arrhythmias and conduction disorders in older adults, atrial fibrillation and atrial flutter: stroke prevention, bradyarrhythmias and conduction disorders, and comorbidities, quality of life, and end-of-life issues in older patients with heart rhythm disorders.