X-Ray Imaging

X-Ray Imaging

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    ARealAge answered
    An extremity x-ray is a picture of the internal structures in one of your extremities -- your hand, wrist, arm, hip, leg, knee, ankle or foot. X-rays are a type of radiation. In an x-ray procedure, a machine sends x-ray radiation through the body or head to create pictures of internal structures projected onto a computer screen or onto film. In those pictures dense structures, such as bones, show up white because they absorb the x-ray particles, while less-dense structures, such as muscles, show up gray or black. Your doctor may order an extremity x-ray if he or she suspects you are experiencing any of the following problems:
    • a fracture in a bone of one of your extremities
    • fluid buildup in the joint around a bone
    • dislocation of a bone
    • infection
    • arthritis
    • abnormal bone growth or tumor
    If you have had joint surgery, your doctor may order an extremity x-ray to monitor your progress after the surgery.
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    ARealAge answered
    Spine x-rays are pictures of the bones of the spine that are used to diagnose diseases or to view the extent of an injury to the spine. X-rays are a type of electromagnetic radiation. In an x-ray procedure, a machine sends x-ray radiation through the body or head to create pictures of internal structures projected onto a computer screen or onto film. In those pictures, dense structures, such as bones, show up white because they absorb the x-ray particles, while less-dense structures, such as muscles, show up gray or black.

    Spine x-rays can be helpful in diagnosing:
    • osteoporosis (brittle bones)
    • abnormal curves of the spine
    • bone spurs
    • fractures
    • cancer
    • infections
    • dislocations
    • disc disease
    There are four different types of spine x-rays, depending on which area of the spine is being x-rayed:
    • A cervical spine x-ray is a scan of the seven cervical bones in the neck.
    • A thoracic spine x-ray is a scan of the 12 chest (thoracic) bones.
    • A lumbosacral spine x-ray takes pictures of the five bones of the lower back (lumbar region) and the sacrum at the base of the spine.
    • A sacrum/coccyx x-ray takes a detailed view of the sacrum at the base of the spine and the four bones that make up the tailbone (coccyx).
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    ARealAge answered
    A skull x-ray is a series of pictures of the bones that surround the brain, including the facial bones, the nose and the sinuses. X-rays are a type of electromagnetic radiation. In an x-ray procedure, a machine sends x-ray radiation through the body or head to create pictures on a computer screen or on film. In those pictures, dense structures such as bones, show up white because they absorb the x-ray particles, while less dense body parts may show up gray or black.

    Your doctor may order a skull x-ray if you have injured your head or if you have certain symptoms that might indicate a problem inside your head, such as bleeding or a tumor. In children, skull x-rays are commonly used to evaluate children who have an unusually shaped skull. A skull x-ray may also help diagnose misalignment (malocclusion) of teeth, occupational hearing loss, chronic ear pain or infection, hearing loss due to abnormal bone growth inside the ear, sinusitis or pituitary tumors.

    Many doctors prefer to use a CT (computed tomography) scan of the skull to diagnose the cause of symptoms in the skull. Sometimes the two imaging tests may be used together to help ensure a correct diagnosis.
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    ARealAge answered
    A facial x-ray is a series of pictures of the bones in the face. X-rays are a type of electromagnetic radiation. In an x-ray procedure, a machine sends x-ray radiation through the body or head to create pictures on a computer screen or on film. In those pictures, dense structures such as bones, show up white because they absorb the x-ray particles, while other structures, such as muscles, may show up gray or black. A facial x-ray may be done to:
    • identify the cause of facial pain
    • find problems of the sinuses or face such as tumors or polyps
    • note signs of infection, such as sinusitis
    • check for fractures in the bones of the face, nose
    • check the bones around the eyes
    Facial x-rays are usually painless procedures. If a problem is identified on a facial x-ray, your doctor may refer you for further testing, such as a CT scan.
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    The radiation emitted in medical procedures has a limited range and duration of effect, and the extent of exposure depends largely on the procedure and the individual being treated. Structurally, radiology rooms are designed with architectural shielding and equipment-mounted shields so radiation is isolated to the radiology suite. There are also rolling and stationary shields used in these spaces.
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    X-ray radiation is occurring all the time as a part of the natural background radiation in our environment. Radiologists use medical imaging technology like CT and fluoroscopy that emit X-ray radiation, which penetrates the body and creates images that guide interventional procedures. The effect of X-ray radiation depends greatly on the dose of radiation, the duration of exposure and the physiology of the person being imaged.
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    AIntermountain Registered Dietitians, Nutrition & Dietetics, answered on behalf of Intermountain Healthcare
    An x-ray is the most common type of imaging scan. An x-ray can show the condition of the lungs and other organs and check the positions of any tubes or catheters inside your NICU baby’s body.
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    AIntermountain Registered Dietitians, Nutrition & Dietetics, answered on behalf of Intermountain Healthcare
    For some conditions, your baby may have several x-rays a day in the NICU. This may make you feel concerned, but there’s no need to worry. An x-ray is painless for your baby, and experts agree that the amount of radiation used is too low to harm your baby.
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    A left ventriculogram is a coronary catheterization procedure in which a thin tube (called a catheter) is threaded through an artery up toward your heart. An x-ray contrast solution is injected through the catheter so that an X-ray can capture images of the blood flow.

    A left ventriculogram is like an angiogram (an x-ray used to assess narrowing or blockages in your coronary arteries), but the x-ray contrast is injected into the left ventricle, instead of into the coronary arteries. This shows blood flow through and out of the left ventricle. A ventriculogram can measure your ejection fraction (EF), which is the amount, or percentage, of blood the heart pumps out with each beat. The EF is an important measure of how well your heart does its job and is often used to evaluate heart function in patients who have heart failure.
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    Coronary angiograms are x-rays used to assess narrowing or blockages in your coronary arteries. A thin tube called a catheter is threaded through an artery up toward your heart, and an x-ray contrast solution is injected through the catheter and into the coronary arteries. X-rays then capture images of blood flow through the arteries. Angiograms can also be used to measure blockage in:
    • Carotid arteries, leading to the brain
    • Renal arteries, leading to the kidneys
    • Peripheral arteries, leading to the arms or legs
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