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Topic: Right coronary artery

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	Coronary circulation - Wikipedia, the free encyclopedia
		The papillary muscles tether the mitral valve (the valve between the left atrium and the left ventricle) and the tricuspid valve (the valve between the right atrium and the right ventricle) to the wall of the heart.
		During contraction of the ventricular myocardium (systole), the subendocardial coronary vessels (the vessels that enter the myocardium) are compressed due to the high intraventricular pressures.
		In the coronary circulation, norepinephrine elicits vasodilation, due to the predominance of beta-adrenergic receptors in the coronary circulation.
	en.wikipedia.org /wiki/Coronary_artery (1112 words)

	Right coronary artery - Wikipedia, the free encyclopedia
		The right coronary artery (RCA) originates above the right cusp of the aortic valve.
		At the origin of the RCA is the conus artery.
		In addition to supplying blood to the right ventricle (RV), the RCA supplies 25% to 35% of the left ventricle (LV).
	en.wikipedia.org /wiki/Right_coronary_artery (358 words)

	Right Coronary News \| Right Coronary Results (Site not responding. Last check: 2007-10-25)
		Revascularization of the right coronary artery grafting or.
		An asymptomatic giant right coronary artery aneurysm mimicking a mass of the right atrium alexander viduetsky, phd, rdms, rdcs, rvt.
		Keyword vol case of perforation of the right coronary artery, which was complicated by an intramural right ventricular case of perforation of the right coronary artery which was complicated.
	www.coronary-research.info /right-coronary.html (973 words)

	Coronary arterial anatomy in tetralogy of Fallot: morphological and clinical correlations -- Li et al. 80 (2): 174 -- ...
		Atresia of the proximal anterior interventricular coronary artery
		Tetralogy of Fallot with abnormal coronary artery: 1967 to 1977.
		Angiographic diagnosis of anomalous coronary artery in tetralogy of Fallot.
	heart.bmjjournals.com /cgi/content/full/80/2/174 (5176 words)

	eMedicine - Isolated Coronary Artery Anomalies : Article by Jamshid Shirani, MD, FACC, FAHA
		Coronary artery atresia is characterized by the presence of an ostial dimple in the left or right aortic sinus that terminates in a cordlike fibrotic structure without a patent lumen.
		Congenital coronary artery anomalies associated with the origin of the left main or right coronary arteries from the opposite sinus of Valsalva and the type B (ie, between the aorta and pulmonary trunk) course of the anomalous vessel are of particular concern in young competitive athletes.
		Coronary angiography showing the presence of a fistula originating from a diagonal (diag) branch of the left anterior descending coronary artery with anomalous communication with the pulmonary artery (PA).
	www.emedicine.com /med/topic445.htm (5281 words)

	Echocardiography
		Primary angioplasty of an anomalous right coronary artery complicated by an acute thrombotic occlusion.
		Patients with anomalous left main coronary artery arising from the right sinus of Valsalva and coursing posteriorly between the aorta and the pulmonary artery are prone to sudden death.
		Twenty of the 27 p atients with an intramural coronary artery were correctly diagnosed prospectively by echocardiography (sensitivity, 75%), including 17 of 23 patients with an intramural left coronary artery or left anterior descending coronary artery and 3 of 4 patients w ith an intramural right coronary artery.
	www2.umdnj.edu /~shindler/coranom.html (3796 words)

	right coronary artery (anatomy) - General Practice Notebook (Site not responding. Last check: 2007-10-25)
		The right coronary artery arises from the anterior - right - aortic sinus.
		Having reached the most inferior point of the atrioventricular groove on the sternocostal surface, the right coronary artery then follows the groove onto the inferior surface of the heart.
		The right coronary artery terminates by anastomosing with the circumflex branch of the left coronary artery on the posterior surface of the heart near to the inferior margin of the left atrium.
	www.gpnotebook.co.uk /cache/792002620.htm (229 words)

	eMedicine - Coronary Artery Anomalies : Article by Andrew N Pelech, MD
		Coronary arteries that arise ectopically usually course tangentially to the aortic wall or arise in close relationship to the commissure of the aortic valve.
		The course of named coronary arteries is mostly epicardial, although the proximal LAD may have an intramural or subepicardial course in 5-25% of the general population.
		Epicardial coronary vessels serve as capacitance vessels, primarily filling during the period of diastole (as much as 85% of total flow), and intramural pressure and resistance to myocardial perfusion progressively increase from the outer to inner layers of the heart.
	www.emedicine.com /ped/topic2506.htm (3904 words)

	Guiding catheter for the right coronary artery - Patent 5348545
		The right Judkins catheter generally has three curves in the distal end, primary curve at the very distal tip, a much larger radiused secondary curve about 4-6 cm proximal from the primary curve and a tertiary curve proximal to the secondary curve having a much larger radius of curvature than the secondary curve.
		However, the distal tip of the right Judkins catheter can be difficult to place within the ostium of the right coronary artery and once properly placed in the ostium thereof the distal tip can be easily displaced therefrom during angioplasty and other coronary vascular procedures.
		The present invention is directed to a torquable guiding catheter which facilitates the placement of the distal tip of the catheter within the ostium of the patient's right coronary artery and which urges the distal tip into the ostium so that it is maintained therein during a coronary vascular procedure.
	www.freepatentsonline.com /5348545.html (2433 words)

	MYOCARDIAL VIABILITY
		In particular: collateral circulation from the conus branch of the right coronary artery to septal branches of the left anterior descending; Kugel’s artery between branches of the right coronary artery (posterior descending artery and posterior-lateral branch) and the left circumflex artery.
		Because of his young age the coronary artery bypass grafting was performed with arterial grafts: the left internal mammary artery was used to graft the left anterior descending and the radial artery was used to graft the obtuse marginal branch of the circumflex artery.
		This study showed that although the presence of left main coronary artery stenosis alone is not a negative risk factor, the degree of stenosis is and that severe left main coronary artery stenosis significantly decreases the survival in medically treated patients.
	sprojects.mmi.mcgill.ca /heart/pages/leftmain/lfm011020.html (1261 words)

	Cryptogenic Mycotic Aneurysm Of The Right Coronary Artery (ResearchIndex)
		Necropsy revealed ruptured mycotic aneurysm of the right coronary artery in the absence of infective endocarditis.
		Thus, mycotic aneurysm of the coronary artery may occur without infective endocarditis and may be...
		1 Aneurysms of the coronary artery (context) - AS, Tulgan - 1963
	citeseer.ist.psu.edu /523885.html (297 words)

	Right ventricular dysfunction during coronary artery occlusion: pressure-volume analysis using conductance catheters ...
		Occlusion of the left anterior descending coronary artery or the right coronary artery is associated with a decline in right
		Data from right coronary artery inflations are shown on the left and from left anterior descending coronary artery inflations on the right.
		anterior descending coronary artery occlusion and in the right
	heart.bmjjournals.com /cgi/content/full/78/5/480 (4831 words)

	Electron Beam CT of the Coronary Arteries: Cross-Sectional Anatomy for Calcium Scoring -- Sevrukov et al. 177 (6): 1437 ...
		The right coronary artery arises from the right aortic sinus
		Imaging of coronary artery calcification: its importance in assessing atherosclerotic disease.
		Coronary artery calcification: pathophysiology, epidemiology, imaging methods, and clinical implications—a statement for health professionals from the American Heart Association.
	www.ajronline.org /cgi/content/full/177/6/1437 (3109 words)

	Improved Visualization of Coronary Arteries Using a New Three-Dimensional Submillimeter MR Coronary Angiography ...
		significant (i.e., >50%) stenoses of the proximal coronary artery.
		Left circumflex coronary artery (long arrows) and their side branches, as well as right coronary artery (short arrows), are more clearly visualized along longer part on B than on A.
		Right coronary artery is depicted more sharply on balanced turbo field-echo MR coronary angiogram (B), with increased depiction of vessel length and visualization of right coronary artery in inferior part of right atrioventricular groove (arrows), than in turbo field-echo MR coronary angiogram (A).
	www.ajronline.org /cgi/content/full/179/4/901 (6281 words)

	right coronary heart disease (Site not responding. Last check: 2007-10-25)
		Home FAQs about right coronary heart disease It seems that everywhere you look there are different tips about right of five people with coronary heart disease and in one a book on surviving heart.
		The coronary arteries, illustrated at right, surround the heart to supply the heart muscle with the fresh blood nourishment it needs to do its work of pumping blood...
		right arm is of most importance; among the 51 patients with right arm involvement, 48 suffered from a coronary disease...
	coronary-heart-disease.veryspecial.info /right-coronary-heart-disease (555 words)

	Coronary Artery DOMINANCE
		The results of my angiogram were relatively benign, showing a small "single discrete lesion" in the proximal right coronary artery.
		The formal diagnosis is "1 coronary artery atherosclerosis"; however, the report adds that "The RCA lesion may have been catheter spasm, which did not entirely resolve with IC NTG." Why couldn't the doctors differentiate between a pre-exiting atherosclerosis obstruction and a spasm (a clot?) caused by insertion of the catheter?
		Coronary artery dominance refers to which artery supplies the posterior part of the heart.
	www.medhelp.org /forums/cardio/messages/30095.html (434 words)

	Right Coronary Artery (Site not responding. Last check: 2007-10-25)
		This image was obtained via a left anterior oblique view (almost as thought you were looking "down the barrel" of the heart) in order to view the right coronary artery as it courses along the outside of the atrioventricular groove on the right.
		Because of the angle, the posterior interventricular artery branch will look significantly foreshortened.
		Poor blood flow (ischemia) into the right coronary artery proximal to the origin of the branch to the SA node may cause what type of pathology?
	www.dartmouth.edu /~anatomy/thorax/labimages/rightcoronaryagram.html (111 words)

	Medical Dictionary: Right coronary artery - WrongDiagnosis.com
		Right coronary artery: arises from the right aortic sinus; supplies the right side of the heart
		A hierarchical classification of Right coronary artery: The following list attempts to classify Right coronary artery into categories where each line is subset of the next.
		The information on this site is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs.
	www.wrongdiagnosis.com /medical/right_coronary_artery.htm (155 words)

	Right Coronary Arteriogram (Site not responding. Last check: 2007-10-25)
		Here the contrast agent is being injected through the catheter (coming from top center) into the Right Coronary Artery.
		This is a normal artery, feeding much of the right side of the heart, and the "bottom" of the Left Ventricle.
		The Right Coronary Artery usually has fewer branches than the Left Coronary Artery.
	www.hmc.psu.edu /heartandvascular/patient/movies/rcamovie.htm (81 words)

	NEJM -- Peripartum Dissection of the Right Coronary Artery
		A coronary angiogram showed normal coronary arteries, with haziness at the right coronary arterial ostium (Panel A, arrow).
		Repeated angiography showed the same haziness at the proximal right coronary artery (Video Clip 2), and repeated intravascular ultrasound imaging showed worsening of the intimal dissection at this site (Video Clip 3).
		Kaneda, H., Ako, J., Fitzgerald, P. J., Frimerman, A., Meisel, S. Peripartum Dissection of the Right Coronary Artery.
	content.nejm.org /cgi/content/full/351/20/e18 (302 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Energy Citations Database (ECD) Document #5835028 - Single coronary artery with the right coronary artery arising from the first septal perforator
		Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
		Single coronary artery with the right coronary artery arising from the first septal perforator
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=5835028 (150 words)

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