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The article presents a study on the effect of community wealth on the use of cardiac-resynchronization therapy with defibrillation (CRT-D) for heart failure patients in the U.S. The study used data on 22,205 patient stays from the National Cardiovascular Data Registry. Findings suggest that patients treated at hospitals in affluent communities were more likely to receive CRT-D, and that health policy targeting insurance coverage alone may be ineffective in resolving inequities in care.