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Chest X-rayRead the Chest X-ray article » What is a chest X-ray?A chest X-ray is a radiology test that involves exposing the chest briefly to radiation to produce an image of the chest and the internal organs of the chest. An X-ray film is positioned against the body opposite the camera, which sends out a very small dose of a radiation beam. As the radiation penetrates the body, it is absorbed in varying amounts by different body tissues depending on the tissue's composition of air, water, blood, bone, or muscle. Bones, for example, absorb much of the X-ray radiation while lung tissue (which is filled with mostly air) absorbs very little, allowing most of the X-ray beam to pass through the lung.
What is a shadow on a chest X-ray?Due to the differences in their composition (and, therefore, varying degrees of penetration of the X-ray beam), the lungs, heart, aorta, and bones of the chest each can be distinctly visualized on the chest X-ray. The X-ray film records these differences to produce an image of body tissue structures and these are shadows seen on the X-ray. The white shadows on chest X-ray represent more dense or solid tissues, such as bone or heart, and the darker shadows on the chest X-ray represent air filled tissues, such as lungs. How is the chest X-ray procedure performed?Patients obtaining a chest X-ray will often be requested to use an X-ray gown, and extra metallic objects such as jewelry are removed from the chest and/or neck areas. These objects can block X-ray penetration, making the result less accurate. Patients may be asked to take a deep breath and hold it during the chest X-ray in order to inflate the lungs to their maximum, which increases the visibility of different tissues within the chest. The chest X-ray procedure often involves a view from the back to the front of the body as well as a view from the side. The view from the side is called a lateral ... Recommended Reading Related to Chest X-rayWhat is low blood pressure?Blood pressure is the force exerted by circulating blood on the walls of blood vessels. It constitutes one of the critically important signs of life or vital signs which include heart beat, breathing, and temperature. Blood pressure is generated by the heart pumping blood into the arteries modified by the response of the arteries to the flow of blood. An individual's blood pressure is expressed as systolic/diastolic blood pressure, for example, 120/80.The systolic blood pressure (the top number) represents the pressure in the arteries as the muscle of the heart contracts and pumps blood into them. The diastolic blood pressure (the bottom number) represents the pressure in the arteries as the muscle of the heart relaxes following its contraction. Blood pressure always is higher when the heart is pumping (squeezing) than when it is relaxing. The range of systolic blood pressure for most healthy adults falls between 90 and 120 mil... Other Related Chest X-ray ArticlesEmergency Contact for Flower Mound
Nearby Flower Mound Hospitals *![]() Medical Center of Lewisville ![]() Baylor Regional Medical Center at Grapevine ![]() Denton Regional Medical Center ![]() Baylor Medical Center at Trophy Club ![]() Trinity Medical Center ![]() Irving Coppell Surgical Hospital ![]() Las Colinas Medical Center ![]() Regency Hospital of North Dallas ![]() Presbyterian Hospital of Plano ![]() Baylor Medical Center at Frisco ![]() RHD Memorial Medical Center ![]() Presbyterian Hospital of Denton ![]() Harris Methodist HEB Hospital ![]() Harris Methodist Springwood ![]() Baylor Medical Center at Irving ![]() Southwest Surgical Hospital ![]() LifeCare Hospitals of Plano ![]() Baylor Regional Medical Center at Plano ![]() North Hills Hospital ![]() Plano Specialty Hospital ![]() Centennial Medical Center ![]() Texas Specialty Hospital at Dallas ![]() Children's Medical Center of Dallas ![]() Green Oaks Hospital ![]() HEALTHSOUTH Plano Rehabilitation Hospital ![]() Medical Center of Plano ![]() Medical City Children's Hospital ![]() Medical City Hospital ![]() LifeCare Specialty Hospital of Dallas ![]() UT Southwestern Medical Center University Hospital St Paul ![]() Methodist Richardson Regional Medical Center ![]() Arlington Rehabilitation Hospital ![]() Kindred Hospital Arlington ![]() Millwood Hospital ![]() Texas Health Memorial Hospital at Arlington ![]() UT Southwestern Medical Center ![]() Kindred Hospital Walnut Hill ![]() Parkland Health & Hospital System ![]() Presbyterian Hospital of Dallas ![]() UT Southwestern Medical Center University Hospital Zale Lipshy ![]() Kindred Hospital Dallas ![]() Texas Scottish Rite Hospital for Children ![]() Mary Shiels Hospital ![]() Baylor Specialty Hospital ![]() Baylor University Medical Center ![]() Methodist Dallas Medical Center ![]() Baylor Jack & Jane Hamilton Heart & Vascular Hospital ![]() Baylor Institute for Rehabilitation ![]() HEALTHSOUTH Rehabilitation Hospital of Arlington ![]() Medical Center of Arlington ![]() Baylor Medical Center at Garland ![]() Baylor Specialty Hospital Garland ![]() Doctors Hospital at White Rock Lake ![]() Kindred Hospital White Rock ![]() USMD Hospital at Arlington ![]() Presbyterian Hospital of Allen ![]() Renaissance Hospital Dallas ![]() HEALTHSOUTH Rehabilitation Hospital ![]() Timberlawn Mental Health System ![]() Harris Continued Care Hospital ![]() Harris Methodist Fort Worth ![]() Medical Center of McKinney ![]() JPS Health Network ![]() Cook Children's Medical Center ![]() Kindred Hospital Fort Worth ![]() Baylor Surgical Hospital at Fort Worth ![]() Plaza Medical Center of Fort Worth ![]() Baylor All Saints Medical Center at Fort Worth ![]() Medical Center of McKinney Wysong Campus ![]() Dallas VA Medical Center ![]() Methodist Charlton Medical Center ![]() Methodist Rehabilitation Hospital ![]() Select Specialty Hospital South Dallas ![]() Harris Methodist Northwest ![]() Hickory Trail Hopsital 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. |













































































