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Physician-assisted death is a practice by which doctors provide the means for a person with a terminal illness to voluntarily cause their own death. In most cases, the doctor prescribes lethal doses of medicine. The doctor indirectly takes part in the person's death. But the doctor does not directly cause...
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A ventriculogram is a test that shows images of your heart. The images show how well your heart is pumping. The pictures let your doctor check the health of the lower chambers of your heart, called ventricles. This test can be done as a noninvasive test or as part of...
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A chemistry screen is a blood test that measures the levels of several substances in the blood (such as electrolytes). A chemistry screen tells your doctor about your general health, helps look for certain problems, and finds out whether treatment for a specific problem is working. Some chemistry screens look...
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A CT scan uses X-rays to make detailed pictures of the spine and vertebrae. During the test, you will lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine. The CT scanner sends X-rays through the body. Each rotation of the scanner takes...
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The slit lamp exam uses a tool that provides a magnified, three-dimensional (3-D) view of the parts of the eye. During the exam, your doctor can look at the front parts of the eye. These parts include the clear, outer covering (cornea), the lens, and the colored part (iris). The...
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A facial X-ray is a series of pictures of the bones in the face. One type of facial X-ray (called a paranasal sinus X-ray series) looks at the air-filled cavities (sinuses) around the nose and eyes. A facial X-ray helps find bone fractures, tumors, foreign objects, infections, and abnormal growths...
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A C-reactive protein (CRP) test is a blood test that measures the amount of a protein called C-reactive protein in your blood. C-reactive protein measures general levels of inflammation in your body. High levels of CRP are caused by infections and many long-term diseases. But a CRP test cannot show...
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Discusses test (also called MRI scan) that uses a magnetic field and pulses of radio wave energy to make pictures of organs and structures inside the belly. Covers why it is done, how to prepare, and how it is done. Discusses results.
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Discusses test (also called MRI scan) that uses a magnetic field and pulses of radio wave energy to make pictures of the shoulder. Covers why it is done, such as checking for unexplained shoulder pain or torn tendons. Discusses results.
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Discusses test (also called MRI scan) that uses a magnetic field and pulses of radio wave energy to make pictures of the knee. Covers why it is used, including to find problems like arthritis, meniscus injury, or damaged cartilage, ligaments, or tendons.