الفهرس 
Anatomy of coronary arteriesOnly 14 pages are availabe for public view
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Abstract
Summary and Conclusion
CTA is a well-established imaging standard in evaluation of vessel
diseases. Coronary CTA had emerged as a result of new and fast CT
scanners. ECG gated imaging techniques have resulted in good quality
images of cardiac structures and coronary arteries with good spatial and
temporal resolution facing the challenge of cardiac motion.
Also Aortic and Pulmonary CTA is well known standard for pulmonary and
aortic imaging.
The fast and rapid technology in CT scanners have resulted in labour of TRO
CTA. Using TRO CTA we are able to image all vascular structures in one
exposure saving time and cost. Our study question was, is TRO CTA is
really valuable in emergency department? Does it provide a diagnostic image
for each these vessels that can help in diagnosis of pathological condition
causing acute chest pain?
So in aim to answer our research question, 45 acute patients with intermediate
risk to ACS have done TRO CTA searching for diagnosis for their acute
chest pain.
And we found the following
1- We were able to discharge 17.7% of our patient (8 out 45) who had
negative examination results without evidence of significant coronary
or non-coronary diagnosis.
2- We were able to diagnose coronary artery disease in 57.7% of our
patient (26 out 45) had coronary artery disease
A-40% (18 of 45) had significant coronary stenosis <50% stenosis.