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CT Scan (Computerized Axial Tomography)Read the CT Scan (Computerized Axial Tomography) article » What is a CT scan?A computerized axial tomography scan is an x-ray procedure that combines many x-ray images with the aid of a computer to generate cross-sectional views and, if needed, three-dimensional images of the internal organs and structures of the body. Computerized axial tomography is more commonly known by its abbreviated names, CT scan or CAT scan. A CT scan is used to define normal and abnormal structures in the body and/or assist in procedures by helping to accurately guide the placement of instruments or treatments. A large donut-shaped x-ray machine takes x-ray images at many different angles around the body. These images are processed by a computer to produce cross-sectional pictures of the body. In each of these pictures the body is seen as an x-ray "slice" of the body, which is recorded on a film. This recorded image is called a tomogram. "Computerized Axial Tomography" refers to the recorded tomogram "sections" at different levels of the body. Imagine the body as a loaf of bread and you are looking at one end of the loaf. As you remove each slice of bread, you can see the entire surface of that slice from the crust to the center. The body is seen on CT scan slices in a similar fashion from the skin to the central part of the body being examined. When these levels are further "added" together, a three-dimensional picture of an organ or abnormal body structure can be obtained. Why are CT scans performed?CT scans are performed to analyze the internal structures of various parts of the body. This includes the head, where traumatic injuries, (such as blood clots or skull fractures), tumors, and infections can be identified. In the spine, the bony structure of the vertebrae can be accurately defined, as can the anatomy of the intervertebral discs and spinal cord. In fact, CT scan methods can be used to accurately measure the density of bone in evaluating osteoporosis. Occ... Recommended Reading Related to CT Scan (Computerized Tomography)Allergies: Allergies to MedicationsMany drugs can cause adverse side effects, and certain medicines can trigger allergic reactions. In an allergic reaction, the immune system mistakenly responds to a drug by creating an immune response against it. The immune system recognizes the drug as a foreign substance and the body produces certain chemicals, such as large amounts of histamine in an attempt to expel the drug from the body. What Are the Symptoms of Drug Allergy?Symptoms can range from mild to life-threatening. Even in people who aren't allergic, many drugs can cause irritation, such as an upset stomach. But during an allergic reaction, the release of histamine can cause symptoms like hives, skin rash, itchy skin or eyes, congestion, and swelling in the mouth and throat. A more severe reaction may include difficulty breathing, blueness of the skin, dizziness, fainting, anxiety, confusion, rapid pulse,... Other Related CAT Scan ArticlesEmergency Contact for Irvington
Nearby Irvington Hospitals * Newark Beth Israel Medical Center  Children's Hospital of New Jersey  East Orange Campus of the VA New Jersey Health Care System  East Orange General Hospital  The University Hospital  St James Hospital of Newark  Saint Barnabas Medical Center  Kessler Institute for Rehabilitation West Orange  Trinitas Hospital Williamson Campus  Clara Maass Medical Center West Hudson  Clara Maass Medical Center  Trinitas Hospital New Point Campus  Mountainside Hospital  Overlook Hospital  Summit Oaks Hospital  Bayonne Medical Center  Children's Specialized Hospital Mountainside  Kindred Hospital New Jersey Rahway  Robert Wood Johnson University Hospital Rahway  Essex County Hospital Center  Richmond University Medical Center  Meadowlands Hospital Medical Center  Christ Hospital  Jersey City Medical Center  Meadowview Psychiatric Hospital  Hoboken University Medical Center  Runnells Specialized Hospital of Union County  Bayley Seton Campus  Woodbridge Development Center  St Mary's Hospital  New York Downtown Hospital  Muhlenberg Regional Medical Center  St Vincent's Hospital & Medical Center of New York  Lutheran Medical Center  Long Island College Hospital  St Joseph's Children's Hospital  St Joseph's Regional Medical Center  Staten Island University Hospital North Site  Beth Israel Medical Center Petrie Division  Morristown Memorial Hospital  New York Eye & Ear Infirmary  NYU Hospital for Joint Diseases  South Beach Psychiatric Center  Atlantic Rehabilitation Institute  JFK Johnson Rehabilitation Institute  JFK Medical Center  Palisades Medical Center  St Luke's Roosevelt Hospital Center  VA New York Harbor Healthcare System New York Campus  Bellevue Hospital Center  The Brooklyn Hospital Center  NYU Langone Medical Center  Maimonides Medical Center  Rusk Institute of Rehabilitation Medicine  Brooklyn Campus of the VA NY Harbor Healthcare System  Kessler Institute for Rehabilitation Saddle Brook  New York Methodist Hospital  Hackensack University Medical Center  Manhattan Eye Ear & Throat Hospital  Select Specialty Hospital Northeast New Jersey  Care One at Raritan Bay  Goldwater Specialty Hospital & Nursing Facility  Lenox Hill Hospital  The Rockefeller University Hospital  Staten Island University Hospital South Site  Memorial Sloan-Kettering Cancer Center  New York Presbyterian Weill Cornell Campus  Hospital for Special Surgery  Gracie Square Hospital  Greystone Park Psychiatric Hospital  Kindred Hospital New Jersey Wayne  Raritan Bay Medical Center Perth Amboy Division  St Joseph's Wayne Hospital  St Lukes Hospital  Coler Specialty Hospital & Nursing Facility Featured Articles*Provider Directory Terms of Use: The WebMD 'Provider Directory' is provided by WebMD for use by the general public as a quick reference of information about Providers. The Provider Directory is not intended as a tool for verifying the credentials, qualifications, or abilities of any Provider contained therein. Inclusion in the Provider Directory does not imply recommendation or endorsement nor does omission in the Provider Directory imply WebMD disapproval. |
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Blood Clots
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Hives
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Brain Tumor
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