Chest X-ray - Factbites

Chest X-ray - Factbites
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Topic: Chest X-ray

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	Chest x ray
		Chest x rays are used to see foreign bodies that may have been swallowed or inhaled, and to evaluate response to treatment for various diseases.
		A chest x ray may be ordered by a physician to check for possible tumors of the lungs, thyroid, lymphoid tissue, or bones of the thorax.
		A chest x ray is a procedure used to evaluate organs and structures within the chest for symptoms of disease.
	www.healthatoz.com /healthatoz/Atoz/ency/chest_x_ray.jsp

	Chest X-rays and Bone Scans
		Chest X-rays may be performed in women who have or may have breast cancer to evaluate the slim possibility that the cancer may have spread to the lungs.
		In women with metastatic disease that has spread to the lungs, a chest X-ray is used to check on how the disease is responding to treatment.
		If a woman experiences new shortness of breath in the first few months after radiation therapy, with or without a cough, her doctor may order a chest X-ray to see if the radiation caused any inflammation of the lungs.
	www.breastcancer.org /testing_xray.html

	Chest X-ray Welcome to Jacksonville Surgery Center's Web Site
		Chest x-rays are done to look for abnormalities of the heart, lungs, bones, or blood vessels in the chest.
		A chest X-ray is a photograph-like image of the heart and lungs that uses a small dose of radiation to create a picture.
		Chest x-rays can be performed in a hospital, an outside lab, or doctor’s office.
	ehc.healthgate.com /GetContent.asp?siteid=97544A97-6149-4954-92FB-9575DA97B34C&docid=/dsp/chest_x-ray

	Introduction to Chest X-RAY
		On the right, a slice from a chest CT scan shows that a particular segment of lung is associated with each mediastinal contour, thus when a particular mediastinal contour disappears, a particular part of lung is implicated.
		On CXR, interstitium is a sharply outlined fine netlike (reticular) pattern of intersecting lines and tiny (1mm) nodules.
		Effusions are readily detected, however diseases such as pneumonia or tumors in the underlying lung are often not evident on CXR.
	radiology.creighton.edu /Introtocxray.html

	Chest X-rays Useful for Detecting Vertebral Fractures
		Chest x-rays are a potentially useful screening tool for revealing previously undiagnosed vertebral fractures in elderly patients, according to a new study.
		Majumdar said chest x-rays are adequate for identifying most osteoporotic fractures because these fractures tend to involve the midthoracic spine and the thoracolumbar junction regions, two areas visible on chest radiographs.
		In the study, researchers looked at 100 random chest radiographs from patients 60 years or older with chest-related symptoms.
	www.asrt.org /Content/News/IndustryNewsBriefs/RT/ChestXrays040324.aspx

	Chest X-Rays Don't Reduce Lung Cancer Deaths 9/10/00
		Researchers at the National Cancer Institute (NCI) assigned more than 9,000 male smokers to undergo a chest X-ray and sputum cytology (examining phlegm under the microscope to detect cancer cells) three times a year for 6 years or were advised to have the same tests only once a year.
		Screening smokers several times a year with chest X-rays does not reduce their odds of dying from lung cancer and may lead some people to undergo unnecessary treatment for lung tumors that would never have been fatal, new research suggests.
		Screening smokers with chest X-rays is not a helpful screening procedure for lung cancer.
	www.mercola.com /fcgi/pf/2000/sep/10/chest_x-ray.htm

	Chest X-ray
		A chest X-ray may be ordered when an person's symptoms include a persistent cough, coughing up blood, chest pain, a chest injury, or difficulty in breathing.
		A serial chest X-ray (repeated or sequential) may be used to evaluate changes over time if an abnormality found on a chest X-ray (for example, an increase in the size of an abnormality over a period of weeks).
		Two views are usually taken: one in which the X-rays pass through the chest from the back (posterior-anterior view) and one in which the X-rays pass through the chest from one side to the other ( lateral view).
	www.shands.org /health/information/article/003804.htm

	Covenant Heart Institute - Chest X-Ray
		Chest x-rays may provide important information regarding the size, shape, contour, and anatomic location of the heart, lungs, bronchi, great vessels (aorta, aortic arch, pulmonary arteries), mediastinum (an area in the middle of the chest separating the lungs), and the bones (cervical and dorsal spine, clavicles, shoulder girdle, and ribs).
		Chest x-rays may be used to assess heart status (either directly or indirectly) by looking at the heart itself, as well as the lungs.
		Chest x-rays may be used to assess the lungs, as well as the heart (either directly or indirectly) by looking at the heart itself.
	www.covenantheartinstitute.com /Services/InpatientCardiology/P06376/P06470

	Untitled Document
		A chest CT may be requested by the referring physician to further clarify a finding seen on the chest x-ray or to look for an abnormality not visible on a chest x-ray in order to answer the clinical problem.
		Chest x-ray is typically performed as the first imaging test for symptoms of shortness of breath, a bad or persistent cough, chest pain, chest injury, or fever.
		These "routine" chest x-rays are being reevaluated because of inadequate evidence for their usefulness, and many insurance companies no longer pay for these "routine" x-rays obtained in absence of specific signs, symptoms, or medical conditions.
	www.southsoundradiology.com /exam/procedures/xrayChest.htm

	718.102 - Chest roentgenograms (X-rays).
		Where the chest X-ray of a deceased miner has been lost, destroyed or is otherwise unavailable, a report of a chest X-ray submitted by any party shall be considered in connection with the claim.
		A chest X-ray classified as Category Z under the ILO Classification (1958) or Short Form (1968) shall be reclassified as Category O or Category 1 as appropriate, and only the latter accepted as evidence of pneumoconiosis.
		A chest X-ray classified under any of the foregoing classifications as Category O, including sub-categories 0/-, 0/0, or 0/1 under the UICC/Cincinnati (1968) Classification or the ILO-U/C 1971 Classification does not constitute evidence of pneumoconiosis.
	www.dol.gov /esa/regs/cfr/20cfr/toc_Part700-799/0718.0102.htm

	4 - Sample Radiation Risks Form
		Although it may vary from person to person, your radiation exposure from each chest x-ray will be about 6 mrem, and that from each bone scan will be about 550 mrem.
		Although it can vary from person to person, your whole-body radiation exposure from each set of chest x-rays (two views) will be about 12 mrem, CT scans (abdomen and pelvis) about 2,760 mrem, bone scans about 550 mrem, and DEXA scans (of hip, spine, and wrist) about 3 mrem.
		Your chest x-rays and other scans that may be required during your treatment involve exposure to radiation.
	adams.dom.washington.edu /ClinicalTrialsHandbook/4RadRisk.html

	Information about Chest x-rays
		Chest x-rays are the most difficult of all radiographic examinations to perform because the chest contains tissues of such different consistency.
		Although this unit of measurement is probably unfamiliar, we all receive approximately 100 mRad (400 times that of a chest x-ray) yearly from cosmic rays and the trace radioactive minerals in rocks and building foundations.
		In an FDA survey, over 40% of the chest x-rays were judged inadequate by a panel of radiation physicists and physicians.
	www.chestx-ray.com /GenPublic/GenPubl.html

	Imaging in patients with ADMISSION, PRE-OPERATIVE AND PRENATAL CHEST X-RAYS
		Pre-employment/ preplacement chest x-rays should be done selectively based upon pertinent factors in the medical history, clinical examination and proposed work assignment.
		If a patient is being admitted with a cardiothoracic problem, cancer or a febrile illness, a chest x-ray is appropriately obtained.
		A chest e-ray is also appropriate for children who are admitted to a pediatric intensive care unit for any reason.
	hsc.unm.edu /cme/creditApp/admission.html

	Healthopedia.com - Chest X-Ray (X-Ray of the Chest, Chest Radiograph)
		Chest x-rays are performed as part of a routine screening physical exam and prior to most surgeries.
		Any patient with chest symptoms, such as cough, blood in the sputum, or spit, pain in the chest, injury to the chest, infection, or shortness of breath, will likely undergo a chest x-ray.
		Individuals undergoing a chest x-ray will undress to the waist and put on an exam gown.
	www.healthopedia.com /chest-x-ray

	08/19/1996 - Chest X-ray and sputum cytology requirements.
		No study to date has compared chest x-ray screening for lung cancer with no screening at all in a prospective design with adequate follow-up time.(7) Thus, although the efficacy of chest x-ray screening can be questioned, no conclusive evidence exists to show that chest radiography screening does not lower lung cancer mortality(7).
		A positive sputum cytology examination, with a negative chest x-ray, is usually followed by an examination of the oral cavity, the pharynx, and the larynx by both direct visualization and flexible fiberoptic laryngoscopy.
		However, two randomized controlled studies have assessed the efficacy of chest x-ray screening in a group at high risk of developing lung cancer, namely male smokers 45 years of age and older.(1,2) These studies are the Mayo Lung Project(3,4) and a study from Czechoslovakia(5,6).
	www.osha.gov /pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=22237

	Le Magazine, November 2001 - Report: Body Scans - Do You Know The Risks?
		A scan of the head is the equivalent of 115 chest x rays, or one year of natural background radiation.* Combine the chest and abdomen, and you've got a body scan-almost 1,000 x rays (imagine sitting on an x ray table while 1,000 x rays are taken).
		In effective doses, one CT chest scan is the equivalent of 400 chest x rays or 3.6 years of background radiation; a scan of the abdomen 500 chest x rays or 4.5 years of natural background radiation.
		It's estimated that the risk of a chest x ray causing fatal cancer is 1-in-1,000,000.
	www.lef.org /magazine/mag2001/nov2001_report_scans_01.html

	CTV.ca Chest X-rays may help detect osteoporosis
		But researchers at the University of Alberta Hospital found that only 60 per cent of vertebral fractures among older patients having chest X-rays for other reasons were picked up on and reported by radiologists.
		But it begs the question: Why are radiologists missing fractures on chest X-rays that clearly show the spine?
		Majumdar said chest X-rays offer a no-cost opportunity for doctors to diagnose and effectively treat osteoporosis - a disease that affects about one million Canadians and costs the health-care system an estimated $1.5 billion a year.
	www.ctv.ca /servlet/ArticleNews/story/CTVNews/1114519201534_18?hub=Health

	BestBETs: Are follow up chest X-rays helpful in the manageme...
		On auscultation of his chest there are focal signs suggestive of a lower respiratory tract infection; a chest X-ray confirms right lower lobe collapse and consolidation.
		He is given a follow-up appointment in 4 weeks time in the "registrar clinic" to be reviewed after having a repeat chest X-ray as per your unit's protocol.
		BestBETs: Are follow up chest X-rays helpful in the manageme...
	www.bestbets.org /cgi-bin/bets.pl?record=00514

	Ask Dr. Markowitz
		Another thing to remember is that chest x-rays taken for dust diseases of the lungs should be interpreted by a B-reader (a doctor certified by NIOSH as proficient in reading such films) or a physician with expertise in pneumoconiosis (dust diseases of the lungs).
		Chest x-rays may be useful for early lung cancer detection, though they are not recommended by the American Cancer Society or any professional organization.
		Although not foolproof, the chest x-ray is the most readily available, simplest, least expensive, and most informative way to learn whether a worker might have scarring of the lungs or pleura (lining of the lungs) due to occupational dusts.
	pacehealthandsafety.org /Dr.Markowitz/Dr.Markowitz-MarApr05.htm

	Chest X-rays: Helping detect heart and lung conditions - MayoClinic.com
		Chest X-rays can be done by an X-ray technician or radiologist in a hospital radiology department or in a clinic.
		However, the amount of radiation from a chest X-ray is low — even lower than what you're exposed to through natural sources of radiation in the environment, such as radon from rocks and soil.
		As useful as chest X-rays are in detecting problems with your cardiovascular system, they're generally just one step in the process of making a diagnosis.
	mayoclinic.com /invoke.cfm?objectid=F2FA75C3-7013-4A55-A5932522E9806CA5

	Chest X-rays
		Chest X-Rays are performed by medical technicians with current certifications from the American Registry of Radiologic Technologists (ARRT).
		Our chest radiography program is currently certified as an approved Chest X-Ray facility.
		Periodic chest x-rays are a vital part of health screening programs.
	www.mosthealth.com /cxr.htm

	Chest X-rays Present Opportunity for Osteoporosis Intervention
		They studied a random sample of 459 patients who were older than 60 and who had presented to the emergency department and undergone chest radiography for any indication.
		The study results show a large care gap exists between what the available evidence suggests should be done and current patterns of practice in the community, according to Dr. Majumdar.
		Researchers set out to determine if chest radiographs were useful for detecting previously unrecognized vertebral fractures.
	www.asrt.org /content/News/IndustryNewsBriefs/Rad/ChestXrays050506.aspx

	National Cancer Institute - Mayo Lung Project: No Benefit from Chest X-rays
		In the Mayo Lung Project, men were split into two groups: half received free chest X-rays and sputum tests three times yearly for six years; half received the Mayo's standard 1970 recommendation to receive the same tests annually.
		This process led to the primary finding and to the conclusion that chest X-rays may lead to over-diagnosis of lung cancer.
		Depending on the size and location of the lesion, chest surgery (thoracotomy) to obtain a larger biopsy may be recommended.
	www.nci.nih.gov /clinicaltrials/results/mayo-lung-project0800

	Lung cancer study to compare scans with chest X-rays
		Trouble is, it may not be such a great deal for the 50 percent of subjects assigned to the X-ray group because studies have already shown that screening with chest X-rays to find tumors doesn't appreciably extend the life spans of smokers or former smokers.
		We don't need to give them a chest X-ray."
		Lung cancer study to compare scans with chest X-rays
	www.sfgate.com /cgi-bin/article.cgi?file=/chronicle/archive/2002/10/13/LV178209.DTL&type=printable

	Can Chest X-Rays Find Lung Cancer Early?
		Chest X-rays often miss small, potentially curable lung tumors, as they are too hard to see," says Burstein.
		Chest X-rays are inadequate for diagnosing lung cancers at an early stage, when they are more treatable.
		"By the time lung cancers are discovered on chest X-ray, the tumor is often too far advanced to allow the patient to be cured with surgery or radiation therapy.
	my.webmd.com /content/article/104/107335

	Reuters AlertNet - Chest X-rays could yield osteoporosis clues- study
		Though one in six elderly patients who had chest X-rays done at the hospital's emergency department had "clinically important vertebral fractures," only about 60 percent of these fractures were noted in the patient's file and only 25 percent of those with fractures were diagnosed with or treated for osteoporosis, the study said.
		Canadian researchers said they reached that conclusion after checking hundreds of chest X-rays for fractures of the vertebrae, the most common bone break associated with osteoporosis but one that doctors notice in only about a third of cases.
		CHICAGO, April 25 (Reuters) - A closer examination of the common chest X-ray could reveal osteoporosis in older patients not previously diagnosed with the brittle bone disease, according to a study published on Monday.
	www.alertnet.org /thenews/newsdesk/N25653822.htm

	"Screening x-rays following smoking cessation?"
		It is generally agreed that modern PA and lateral chest x-rays produce an irradiation risk comparable to living in Denver, Colorado, at an altitude of 5,000 feet for 6 months (relative to living at sea level).
		Inexplicably, epidemiologists describing these studies have written that since the lung cancer found in the control and experimental groups resulted in similar survival rates, screening chest x-rays were not indicated.
		In the Johns Hopkins and Memorial Sloan-Kettering studies, a control group had posteroanterior (PA) and lateral chest x-rays plus sputum cytology checks annually, whereas the experimental group had chest x-rays and sputum cytology studied every 4 months.
	www.cancernetwork.com /consults/ccp9802a.htm

	Chest X-Rays and Barbershop Hookers
		Then it’s on to ER2, where you disrobe and have a chest x-ray.
		One hour for the most complete medical exam (blood work, ultrasound, chest x-ray, EKG, ENT, and general physical) that most of us have ever had.
		It is, quite simply, about chest x-rays and barbershop hookers.
	www.carolynandjoshua.com /diary_aug13.htm

	critical care Full text Chest X-rays after central line insertion
		However, it may be that some CVCs inserted by skilled operators are associated with such a small incidence of complications that exposure to X-rays for the chest radiograph may be deemed unnecessary.
		In the light of this evidence, chest X-rays should continue to be performed in all patients undergoing CVC insertion.
		To determine whether clinical features could be used to decide prospectively whether a subgroup of internal jugular CVCs are correctly positioned and complication free and thereby avoid the need for routine post-procedural chest radiographs in selected patients.
	ccforum.com /paperreport/ccf-1999-2182

	Pulmonary Reference Chest X-Rays
		Usual CXR is taken in PA direction during inspiration.
		Measurement: widest part of heart divided by widest part of chest as measured inside the ribs.
		Echocardiogram better for finding effusion, as CXR needs 250mL accumulation before visible.
	www.clinicalexam.com /pda/p_ref_chest_xrays.htm

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In the News (Fri 11 Dec 09)