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Heart valve disease - Symptoms and causes - Mayo Clinic
What Are the First Signs of Heart Valve Problems? - Healthline
Symptoms of Heart Valve Disease
Recognizing the Symptoms of Worsening Heart Valve Disease
Heart Valve Diseases: Causes, Symptoms and Treatment
Heart Valve Disease Risks, Signs and Symptoms
Heart Valve Diseases - Johns Hopkins Medicine
Heart Valve Disorders: Causes, Symptoms, and Diagnosis
Heart disease - Symptoms and causes - Mayo Clinic
Mitral valve regurgitation - Symptoms and causes - Mayo Clinic