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Mitral valve replacement is most often done as an open-heart surgery. Minimally invasive types of surgery may be another option

An Amsler grid is a chart with horizontal and vertical lines that form boxes. It has a dot in the center. An Amsler grid is one of

The main treatment for wet age-related macular degeneration (wet AMD) is injections of medicines into the eye. But in some cases

Age-related macular degeneration (AMD) is a disease that causes blurring of your central vision. The blurring happens because of

Respiratory syncytial virus infection (RSV) is a lot like a bad cold. It causes the same symptoms. And like a cold, it's very

An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when protein is broken down by

Social anxiety disorder (also called social phobia) is a condition in which a person is extremely anxious about what they will say

Lactose intolerance means that your body can't properly digest lactose. Lactose is a type of natural sugar found in milk and dairy

Looks at surgery for ovarian cysts. Explains why surgery is done and how well it works. Discusses what to expect after surgery

Viral load is a measurement of how much HIV is present in your blood. A sample of blood is taken and sent to a lab for testing