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Chest X-ray Center - Longview, TX

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Longview, Texas

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Chest X-ray

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-ray

Low Blood Pressure »

What 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...

Emergency Contact for Longview

  • In case of Emergency, call 911

Nearby Longview Hospitals *

Good Shepherd Medical Center Longview
700 E Marshall Ave
Longview, TX 75601
(903)315-2000

Longview Regional Medical Center
2901 N 4th St
Longview, TX 75605
(903)758-1818

Laird Memorial Hospital
1612 S Henderson Blvd
Kilgore, TX 75662
(903)984-3505

East Texas Medical Center Gilmer
712 N Wood St
Gilmer, TX 75644
(903)841-7100

Marshall Regional Medical Center
811 S Washington Ave
Marshall, TX 75670
(903)927-6000

ETMC Henderson
300 Wilson St
Henderson, TX 75652
(903)657-7541

University of Texas Health Science Center at Tyler
11937 US Hwy 271
Tyler, TX 75708
(903)877-3451

East Texas Medical Center Carthage
409 Cottage Rd
Carthage, TX 75633
(903)693-3841

HEALTHSOUTH Tyler Rehabilitation Hospital
3131 Troup Hwy
Tyler, TX 75701
(903)510-7000

Mother Frances Hospital Tyler
800 E Dawson St
Tyler, TX 75701
(903)593-8441

East Texas Medical Center Rehabilitation
701 Olympic Plaza Cir
Tyler, TX 75701
(903)596-3000

East Texas Medical Center Specialty Hospital
1000 S Beckham Ave
Tyler, TX 75701
(903)596-3600

East Texas Medical Center Tyler
1000 S Beckham Ave
Tyler, TX 75701
(903)597-0351

Tyler ContinueCare Hospital
800 E Dawson St
Tyler, TX 75701
(903)531-4080

Texas Spine & Joint Hospital
1814 Roseland Blvd
Tyler, TX 75701
(903)526-8754

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