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Heart failure - Symptoms and causes - Mayo Clinic
Congestive Heart Failure: Symptoms, Stages & Treatment
Heart Failure Signs and Symptoms
Congestive Heart Failure: Causes, Symptoms, and Treatment …
Ten Symptoms of Heart Failure Getting Worse - Healthline
Heart failure - Diagnosis and treatment - Mayo Clinic
Heart Failure - American Heart Association
What is Heart Failure? - American Heart Association
Managing Heart Failure Symptoms
Heart Failure: Symptoms, Causes, and Types - Healthline