Staying healthy
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Mitral valve repair and mitral valve replacement
If you have a leaky or stiff mitral valve, you may need heart surgery. Learn about the different procedures used to repair or replace this valve.
Atrial fibrillation ablation
Learn how heat or cold energy can treat an irregular heartbeat called atrial fibrillation (AFib).
Pulmonary vein isolation
This type of cardiac ablation uses heat or cold energy to treat atrial fibrillation. Learn how it's done and when you might need this treatment.
Cornea transplant
This procedure uses donor tissue to restore vision and reduce pain from cornea disease. Our overview helps you understand the risks and benefits of this sight-saving operation.
Choking: First aid
Be prepared to provide emergency first aid if you or someone else is choking.
Chemical burns: First aid
How to recognize and administer first aid for minor to serious chemical burns.
Blisters: First aid
Learn how to give first aid for blisters.
Asthma treatment: 3 steps to better asthma control
Follow this three-step approach to keep symptoms under control and prevent attacks.
Black eye: First aid
How to recognize and provide first aid for a black eye.
Foreign object in the nose: First aid
First-aid instructions for a foreign object in the nose.
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