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Glossary

Showing 391-400 out of 1184 Terms

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  • Early-stage cancer

    (ER-lee-stayj KAN-ser)

    A term used to describe cancer that is early in its growth, and may not have spread to other parts of the body. What is called early stage may differ between cancer types.

  • Echo-cardiogram

    A method of obtaining a graphic picture of the internal structure, and position and motion of your heart through the use of sound waves directed through your chest.

  • Edema

    (eh-DEE-muh)

    Swelling caused by excess fluid in body tissues.

  • Electrocardiogram

    (ee-LEK-troh-KAR-dee-oh-gram)

    A line graph that shows changes in the electrical activity of the heart over time. It is made by an instrument called an electrocardiograph. The graph can show that there are abnormal conditions, such as blocked arteries, changes in electrolytes (particles with electrical charges), and changes in the way electrical currents pass through the heart tissue. Also called ECG and EKG.

  • Electrodes

    (ee-LEK-trodes)

    In medicine, a device such as a small metal plate or needle that carries electricity from an instrument to a patient for treatment or surgery. Electrodes can also carry electrical signals from muscles, brain, heart, skin, or other body parts to recording devices to help diagnose certain conditions.

  • Electrolytes

    A general term for the many minerals necessary to provide the proper environment for the cells of your body. Common electrolytes include calcium, sodium, potassium and chloride.

  • Eligibility criteria

    (EH-lih-jih-BIH-lih-tee kry-TEER-ee-uh)

    In clinical trials, requirements that must be met for a person to be included in a trial. These requirements help make sure that participants in a trial are like each other in terms of specific factors such as age, type and stage of cancer, general health, and previous treatment. When all participants meet the same eligibility criteria, it is more likely that results of the study are caused by the intervention being tested and not by other factors or by chance.

  • Emesis

    (EH-meh-sis)

    To vomit.

  • Emetic

    (eh-MEH-tik)

    Describes a substance that causes vomiting. Also called emetogenic.

  • Encapsulated

    (en-KAP-soo-lay-ted)

    Confined to a specific, localized area and surrounded by a thin layer of tissue.