Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.

Showing 91 - 120 of 161 results.
Ankle Laxity

Chronic ankle laxity is when the ankle joint is loose or unstable following and injury or damage to the ligaments in the ankle. The ligaments normally hold the ankle together and keep it stable.

Ankyloglossia in Children

Tongue-tie (ankyloglossia) is a problem with the tongue that is present from birth. It causes speech and eating problems in some children.

Ankylosing Spondylitis

Ankylosing spondylitis (AS) is a type of arthritis that affects the spine. Ankylosing means stiff or rigid, spondyl means spine, and itis refers to inflammation. The disease causes inflammation of the spine and large joints, resulting in...

Annular Pancreas

The term annular pancreas means that a ring of excess pancreatic tissue encases the first part of your small intestine. Your pancreas can still function with this irregularity, but the excess tissue can cause a number of symptoms. It can...

Anomalous Coronary Artery in Children

An anomalous coronary artery (ACA) is a heart defect. This is something your baby is born with (congenital). In ACA, the blood vessels that supply blood to your child’s heart muscle aren’t normal.

Anorectal Abscess

An anorectal abscess is a collection of pus under the skin in the area of the anus and rectum.

Anorectal Abscess

The last phase of the digestive process is the collection of and passing from the body of solid wastes. These wastes (what's left of what we eat after the water and nutrients have been taken by our bodies) collect in the rectum and then ...

Anorectal Malformation in Children

Anorectal malformations are birth defects, or problems that happen as an unborn baby is developing during pregnancy. With this defect, the anus and rectum don’t develop properly. They are the lower part of the digestive tract.

Anorexia Nervosa

Anorexia nervosa (or simply anorexia) is an eating disorder that causes people to obsess about their weight and food. People who suffer with this behavior problem have a distorted body image. They see themselves as overweight even when ...

Anorexia Nervosa in Children

Anorexia nervosa is an eating disorder. It is a form of self-starvation. Children and teens with this health problem have a distorted body image. They think they weigh too much.

Anterior Cruciate Ligament (ACL) Injuries

If you tear your anterior cruciate ligament, you may have the sensation of your knee giving out or buckling. You may even hear a popping sound. Your knee joint will start to swell. This happens because the small blood vessels in the ...


The vertebrae are the bones that protect the spinal cord. Each vertebra has a thick drum-shaped area in front called a vertebral body. Between the vertebrae are spaces that allow nerves (nerve roots) to go from the spinal cord to other ...

Antibiotic Resistance

Antibiotics are medicines used to kill bacteria. Over time, certain groups of these germs may adapt to these medicines. They may change in such a way that antibiotics can't kill them. This is called antibiotic resistance.

Antiphospholipid Antibody Syndrome (APS)

When the body is functioning normally, antibodies are proteins in the blood that fight off infection. Sometimes, however, conditions can cause these antibodies to fight against normal parts of the body instead. Antiphospholipid antibody ...

Antiphospholipid Syndrome in Pregnancy

Antiphospholipid syndrome is an autoimmune disease. This happens when your immune system fights against normal cells. In this condition, your body makes antibodies that attack a kind of fat in cells. This makes your blood clot too easily.

Anxiety Disorders

There are several types of anxiety disorders: generalized anxiety, social anxiety, post traumatic stress, panic disorder, Obsessive-Compulsive.

Aortic Aneurysm

An aneurysm is a weakened spot in the walls of the aorta. If it bursts, blood can escape, creating a life-threatening situation. Aneurysms can happen at any point along the aorta. When an aneurysm develops in the area of the aorta that ...

Aortic Dissection

Aortic dissection is a tear that develops along the inner layer of the aorta. Blood spills through the inner layer tear and into the middle layers of the aorta, causing them to separate (dissect). If the blood breaks through the outer ...

Aortic Infection

An infection can develop in the aorta two different ways: mycotic aneurysm and aortic graft infection. Mycotic aneurysms occur when an infected mass, known as a septic embolism, is found in the heart. An embolism can be made of a number ...

Aortic Intramural Hematoma

Aortic intramural hematoma (IMH) is a condition characterized by blood leaking through the innermost layer of the aortic wall and flowing between the inner and outer walls. This leakage does not occur due to a tear in the aortic wall ...

Aortic Stenosis in Children

Aortic stenosis means that your child has a heart valve that is too narrow or is blocked. The aortic valve is 1 of 4 heart valves that keep blood flowing through the heart. The valves make sure blood flows in only one direction. The ...

Aortic Valve Regurgitation

Aortic valve regurgitation is when a person's aortic valve leaks. The aortic valve is one of the heart's 4 valves. These valves help the blood flow through the heart and out to the body. Normally, the aortic valve stops blood from ...

Aortic Valve Stenosis

This is a narrowing of the opening of the aortic valve. It is due to abnormalities or aging of the valve. About 5% of heart defects are due to aortic valve stenosis. However, there may be many cases that are not diagnosed. It is likely ...

Aortobronchial fistula (ABF)

The aorta is the largest artery in the body. It rises from the heart's left ventricle (the major chamber that pumps blood out of the heart) filled with oxygen-rich blood that travels throughout the body. When the connection is between ...

Aortoenteric Fistula (AEF)

When the connection is between the aorta and a loop of bowel that is near the aorta it is known as an aortoenteric fistula (AEF). This rare condition is fatal if left untreated.


Aphasia is a language disorder caused by damage in a specific area of the brain that controls language expression and comprehension. Aphasia leaves a person unable to communicate effectively with others.

Aplastic Anemia

Aplastic anemia occurs when your bone marrow doesn’t make enough red and white blood cells, and platelets.

Aplastic Anemia in Children

Aplastic anemia is a serious condition in which the bone marrow doesn’t make enough new blood cells.

Apnea of Prematurity

Apnea is a term that means breathing has stopped for more than 20 seconds. It can happen in full-term babies, but it is more common in premature babies. The more premature the baby, the greater the chances that apnea will occur.


Appendicitis is a medical emergency that happens when your appendix becomes sore, swollen, and diseased.

Showing 91 - 120 of 161 results.
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