Heart failure

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In-Depth

Heart failure

Symptoms

• Symptom Checker Use this Symptom Checker to pinpoint possible causes of your medical symptoms.

Tests and diagnosis

• Stress test A stress test — Overview covers what to expect and results of this heart test.
• Blood tests for heart disease Blood tests offer clues to your heart health. Here's information about these blood tests.
• Chest X-rays Chest X-rays — Overview covers definition, risks, results of this imaging test.
• Blood urea nitrogen (BUN) test Blood urea nitrogen (BUN) test — Overview covers definition, preparation, results of this blood test.

Causes

• Hyperthyroidism (overactive thyroid) Hyperthyroidism — Comprehensive overview covers symptoms, causes, treatment of an overactive thyroid gland.
• Hypothyroidism (underactive thyroid) Hypothyroidism — Comprehensive overview covers symptoms, causes, treatment of an underactive thyroid gland.

Complications

• Flu shots: Especially important if you have heart disease Flu shots are recommended for anyone with heart disease. Find out why.

Treatments and drugs

• Heart transplant Heart transplant — Overview covers risks and results of this potentially lifesaving operation.
• Ventricular assist devices (VADs) Ventricular assist devices (VADs) — Overview covers risks and results of these life-saving heart devices.

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