CAS

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Related to coronary artery scan: HEART scan, The Widowmaker

Cas

(astronomy)

CAS

(hardware)

CAS

(communications)
(channel associated signaling) in-band signalling.

CAS

(1) (Channel Associated Signaling) Carrying signaling information within the data channels of a T1 line (in band) rather than on a separate control channel. CAS signaling is also used to carry 911 emergency data such as telephone number and location information. Contrast with CCS.

(2) (Column Address Strobe) A clock signal in a memory chip used to pinpoint the column of a particular bit in a row-column matrix. See RAS.

(3) (Content Addressed Storage) A storage technique from EMC that assigns an identifier to fixed content. See content addressed storage.

(4) (Communications Application Specification) A programming interface from Intel and DCA for activating functions in fax/modems. Introduced in 1988, Intel provides both the boards and the chips. CAS has not been widely used.
References in periodicals archive ?
These studies determined that the EBT coronary artery scan clearly defined a subgroup of seemingly healthy patients at high risk for coronary artery disease (CAD) that was not identified by standard coronary artery disease risk factors or a variety of commonly used exercise stress testing protocols.
The study, authored by Larry Bielak, MD, and colleagues in the Department of Epidemiology at the University of Michigan in Ann Arbor, Michigan, included 213 patients at high risk, with symptoms of heart disease, who underwent both coronary angiography and the EBT coronary artery scan, together with 765 asymptomatic research subjects who had only the EBT coronary artery scan.
We are confident that this research will solidify the Coronary Artery Scan by EBCT as the single most powerful tool to screen for subclinical atherosclerosis and to predict subsequent clinical coronary artery disease.
In contrast, the EBT coronary artery scan, which sensitively detects and accurately quantifies coronary artery calcification "may add important prognostic information and identify the need for aggressive medical therapy and regular patient follow-up.
Coronary Artery Scan (heart scan) -- an examination of the heart using the high resolution, low radiation dose Electron Beam Tomography (EBT) scanner -- Lung Scan -- EBT scan of the lungs and chest performed by a board certified radiologist.
Coronary Artery Scan ("heart scan") -- examination of the heart with a coronary calcium score.
Nasdaq: IMAT) today announced that a provocative study published in the February 1997 issue of the "Journal of the American College of Cardiology" validated the importance of the Coronary Artery Scan (CAS) by Imatron's Ultrafast CT(R) in predicting future cardiac events.
Paolo Raggi from Tulane University Medical Center, New Orleans and colleagues from Nashville, Tennessee, examined EBT coronary artery scan results from 676 men and women, average age 52, who underwent coronary artery scans using Imatron's proprietary EBT scanner.
Zoltick's study determined that the electron beam tomography (EBT) coronary artery scan (Imatron's proprietary scanning technology) clearly defined a subgroup of seemingly healthy patients at high-risk for coronary artery disease (CAD) that was not identified by standard coronary artery disease (CAD) risk factors.

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