The three main components of computed tomography (CT) are the X-ray tube, the detector array, and the computer system. The X-ray tube generates X-rays that penetrate the body, while the detector array captures the transmitted X-rays, converting them into electrical signals. The computer system processes these signals to create detailed cross-sectional images of the body's internal structures. Together, these components enable non-invasive imaging for diagnostics and treatment planning.
Spiral CT, also called helical CT, is a newer version of CT scanning which is continuous in motion and allows for three-dimensional recreation of images.
Serum creatinine levels are used to assess kidney function before a CT scan, especially if contrast dye is to be administered. Elevated creatinine levels may indicate impaired kidney function, increasing the risk of contrast-induced nephropathy. Therefore, measuring serum creatinine helps healthcare providers make informed decisions about the safety of using contrast agents in CT imaging.
A CT scan that is repeated a certain number of times in the same examination period is said to be multiphasic (bi-phasic, tri-phasic, quadra-phasic). The interest is in observing a change in a parameter as a function of time. The main reason is to show the effect of intravenous contrast on CT attenuation, say pre contrast, and at one, three and five minutes post injection. By observing increased CT attenuation ( aka enhancement), or lack thereof, and it's temporal and morphological characteristics, radiologists infer the probable diagnosis. The same can be said of pre and post contrast studies using other contrast agents or routes of administration (e.g. pre and post contrast fistulography).
Yes and/or no. This depends on what the test is looking for and the policies of the place doing your CT and your doctor. Always talk to your doctor about alternatives and what is best for your case. For some CT tests, the oral prep (drink) is of minimal concern. For some CT tests it can be the main concern.
A EU blood test prior to a CT scan is often required to assess kidney function, particularly because some CT scans involve the use of contrast material that can affect renal function. This is especially important for patients with pre-existing kidney issues, as the contrast agent can potentially lead to complications such as contrast-induced nephropathy. The blood test helps ensure that the benefits of the scan outweigh any potential risks.
use of CT
The 2013 Lexus CT-200H has a 8 yr./ 100000 mi. warranty on its hybrid components.
The 2012 Lexus CT-200H has a 8 yr./ 100000 mi. warranty on its hybrid components.
The 2011 Lexus CT-200H has a 8 yr./ 100000 mi. warranty on its hybrid components.
The 2014 Lexus CT-200H has a 8 yr./ 100000 mi. warranty on its hybrid components.
The main components of a CT scanner include the X-ray tube, which generates X-rays; the detector array, which captures the X-rays after they pass through the body; and the gantry, which houses both the X-ray tube and the detectors and rotates around the patient. Additionally, the computer system processes the data collected by the detectors to create cross-sectional images of the body. Other components include the patient table, which supports and moves the patient during the scan, and the control panel for operating the machine.
Spiral CT, also called helical CT, is a newer version of CT scanning that is continuous in motion and allows for three-dimensional re-creation of images
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