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A chest radiograph, chest X-ray (CXR), or chest film is a projection radiograph of the chest used to diagnose conditions affecting the chest, its contents, and nearby structures. Chest radiographs are the most common film taken in medicine.
The Haller index, created in 1987 by J. Alex Haller, S. S. Kramer, and S. A. Lietman, [1] is a mathematical relationship that exists in a human chest section observed with a CT scan. It is defined as the ratio of the transverse diameter (the horizontal distance of the inside of the ribcage ) and the anteroposterior diameter (the shortest ...
Meaning c̅ (c with an overbar) with (from Latin cum) means with C: cytosine cervical vertebrae: C1: atlas – first cervical vertebra of the spine C2: axis – second cervical vertebra of the spine CA: carcinoma cancer: Ca: calcium carcinoma cancer: CAA: coronary artery aneurysm: c/b: complicated by: CABG: coronary artery bypass graft ...
Most X-rays occur during the third trimester of pregnancy. [8] There is sparse information on radiation exposure from the first trimester of pregnancy. [8] However, data suggests that the relative risk is 2.7. [8] Relative risk is a measure of probability of an outcome in one group versus the other.
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object.Applications of radiography include medical ("diagnostic" radiography and "therapeutic radiography") and industrial radiography.
Diagnosis of a lung cavity is made with a chest X-ray or CT scan of the chest, [2] which helps to exclude mimics like lung cysts, emphysema, bullae, and cystic bronchiectasis. [5] Once an imaging diagnosis has been made, a person’s symptoms can be used to further narrow the differential diagnosis.
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negative predictive value NRB: non-rebreather mask: NRBC: nucleated red blood cells NREM: non–rapid eye movement: NRT nicotine replacement therapy: n.s. not significant: NS: normal saline: NSA: no significant abnormality NSAID: nonsteroidal antiinflammatory drug: NSBB: Non-selective beta blocker: NSCC: Non-squamous-cell carcinoma NSCLC: non ...