• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Debate: Do all patients with heart failure require implantable defibrillators to prevent sudden death?

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Sudden death is a major cause of mortality in patients with ventricular dysfunction. The highest risk occurs among patients with less severe functional impairment. Current methods of risk...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Recent clinical trials indicate that approximately two-thirds of patients in New York Heart Association (NYHA) class II and III, who comprise almost 90% of patients with heart failure, die...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

All of the prospective multicenter trials that support the use of implantable defibrillators have used single chamber pacemakers/implantable cardiovertor defibrillators (ICDs). Despite the...

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