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Eggs: Are they good or bad for my cholesterol?

Get the latest information about eggs, cholesterol and heart disease.

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Ehlers-Danlos syndrome

Learn about these complex genetic disorders that cause problems with connective tissue in the skin,…

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Ehrlichiosis and anaplasmosis

Learn how to prevent and treat the tick-borne diseases ehrlichiosis and anaplasmosis.

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Eisenmenger syndrome

This complication of an unrepaired congenital heart defect needs to be watched closely. Learn how…

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Ejection fraction: What does it measure?

This measurement, commonly taken during an echocardiogram, shows how well the heart is pumping. Know…

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Elbow pain

Elbow pain: Symptom — Overview covers definition, possible causes of this symptom.

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Elbow replacement surgery

Elbow replacement surgery can be complicated because of the intricate nature of the joint. Learn…

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Elective abortion: Does it affect subsequent pregnancies?

Understand whether ending a pregnancy can affect your fertility or future pregnancies.

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Electrical burns: First aid

Learn how to treat electrical burns caused by sources of electricity. The damage may be…

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Electrical shock: First aid

How to administer first aid for electrical shock.

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Electrocardiogram (ECG or EKG)

This common test checks the heartbeat. It can help diagnose heart attacks and heart rhythm…

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Electroconvulsive therapy (ECT)

This procedure can greatly and rapidly improve severe symptoms of depression, mania, catatonia or other…

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Electromyography (EMG)

Electromyography (EMG) is a procedure used to diagnose muscle or nerve dysfunction. Learn what to…

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Elevated blood pressure

If your blood pressure is slightly elevated, eating better and moving more can help prevent…

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Elevated liver enzymes

Inflamed liver cells can leak higher levels of liver enzymes into the bloodstream. The symptom…

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Embryonal tumors

Learn about these malignant brain tumors that happen most often in babies and young children….

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Emergency essentials: Putting together a survival kit

Keeping emergency essentials handy helps you respond safely if trouble strikes. Learn how to assemble…

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Emergency health information: Keep your personal and family records within reach

Emergency preparedness includes making sure you can quickly access critical health information for you and…

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Emerging treatments for multiple sclerosis

There is no cure for this disease of the nervous system, but promising research offers…

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Emphysema

Often caused by smoking, this lung disease causes problems with breathing that worsen over time….

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ENA test

The extractable nuclear antigen panel, known as the ENA test, panel is a blood test….

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Encephalitis

Learn about this potentially fatal condition associated with inflammation of the brain and what you…

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Encopresis

If constipation causes stool to become impacted, liquid stool may leak out around the hard…

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End-stage renal disease

When kidneys no longer function well enough to meet a body's needs, treatment involves kidney…

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Endocarditis

Learn what causes this infection of the inner lining of the heart chambers and valves…

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Endometrial ablation

This surgery that destroys the lining of the uterus treats unusual uterine bleeding. Learn about…

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Endometrial cancer

Learn about the symptoms and causes of this cancer of the uterus. Treatments include hysterectomy,…

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子宮內膜異位症

Learn about endometriosis, including possible treatments for this condition that can cause pain and sometimes…

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Endoscopic mucosal resection

This process removes irregular tissue from the lining of the digestive tract. It can help…

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Endoscopic sleeve gastroplasty

This weight-loss procedure is done using a flexible tube passed down through the throat —…

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