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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 Cypress
Nearby Cypress Hospitals *![]() La Palma Intercommunity Hospital ![]() Anaheim General Hospital ![]() Los Alamitos Medical Center ![]() West Anaheim Medical Center ![]() Tri-City Regional Medical Center ![]() Kindred Hospital Westminster ![]() College Hospital Cerritos ![]() VA Long Beach Healthcare System ![]() Norwalk Community Hospital ![]() Anaheim Regional Medical Center ![]() Bellflower Medical Center ![]() Community Hospital of Long Beach ![]() Kindred Hospital La Mirada ![]() Lakewood Regional Medical Center ![]() Coast Plaza Doctors Hospital ![]() Metropolitan State Hospital ![]() Western Medical Center Anaheim ![]() St Jude Medical Center ![]() Garden Grove Hospital & Medical Center ![]() Promise Hospital of East Los Angeles Suburban Medical Center Campus ![]() Kaiser Permanente Downey Medical Center ![]() Long Beach Memorial Medical Center ![]() Miller Children's Hospital ![]() Huntington Beach Hospital ![]() University Of California Irvine Medical Center ![]() Pacific Hospital of Long Beach ![]() St Mary Medical Center ![]() Whittier Hospital Medical Center ![]() Downey Regional Medical Center ![]() Fountain Valley Regional Hospital & Medical Center ![]() Kindred Hospital Santa Ana ![]() Orange Coast Memorial Medical Center ![]() Presbyterian Intercommunity Hospital ![]() Rancho Los Amigos National Rehabilitation Center ![]() Children's Hospital Orange County ![]() St Joseph Hospital ![]() Kindred Hospital Brea ![]() Coastal Communities Hospital ![]() HealthBridge Children's Rehabilitation Hospital ![]() St Francis Medical Center ![]() Placentia-Linda Hospital ![]() Chapman Medical Center ![]() Western Medical Center Santa Ana ![]() Kaiser Permanente Anaheim Medical Center ![]() HEALTHSOUTH Tustin Rehabilitation Hospital ![]() Martin Luther King Jr MAC Service Center ![]() Tustin Hospital & Medical Center ![]() Beverly Hospital ![]() College Hospital Costa Mesa ![]() LAC Harbor UCLA Medical Center ![]() Kaiser Permanente South Bay Medical Center ![]() Hoag Memorial Hospital Presbyterian ![]() Greater El Monte Community Hospital ![]() Memorial Hospital of Gardena ![]() Vista Hospital of South Bay ![]() Community Hospital of Huntington Park ![]() Los Angeles Community Hospital ![]() East Los Angeles Doctors Hospital ![]() Providence Little Company of Mary Medical Center San Pedro ![]() Monterey Park Hospital ![]() BHC Alhambra Hospital ![]() Kaiser Permanente Medical Center Baldwin Park ![]() Vista Specialty Hospital of San Gabriel Valley ![]() Citrus Valley Medical Center Queen of the Valley Campus ![]() City of Angels Medical Center Ingleside Campus ![]() Garfield Medical Center ![]() Torrance Memorial Medical Center ![]() Del Amo Hospital ![]() Doctor's Hospital West Covina ![]() Promise Hospital of East Los Angeles ![]() Providence Little Company of Mary Medical Center Torrance ![]() LAC + USC Medical Center ![]() LAC + USC Medical Center Women's & Children's Hospital ![]() White Memorial Medical Center ![]() Kaiser Permanente Orange County Irvine Medical Center 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. |













































































