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  1. Congestive Heart Failure: Symptoms, Stages & Treatment

  2. Heart failure - Symptoms and causes - Mayo Clinic

  3. What is Heart Failure? | American Heart Association

  4. Congestive Heart Failure: Symptoms, Causes, and More

  5. Congestive Heart Failure: Prevention, Treatment and Research

  6. Congestive Heart Failure: Causes, Symptoms, and Treatment …

  7. Congestive Heart Failure | Heart Failure | CHF | MedlinePlus

  8. Heart failure - Wikipedia

  9. Heart failure - Diagnosis and treatment - Mayo Clinic

  10. Heart Failure Signs and Symptoms | American Heart Association