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An aortic sinus , also known as a sinus of Valsalva ,[1] ascending aorta , which occurs just above the aortic valve . These widenings are between the wall of the aorta and each of the three cusps of the aortic valve.[2]
The aortic sinuses cause eddies which prevent the valve cusps from touching the internal surface of the aorta and obstructing the openings of the coronary arteries.[3]
Structure [ edit ]
There are generally three aortic sinuses, one anterior and two posterior sinuses. These give rise to coronary arteries :[4] [better source needed
The left aortic or left posterior aortic sinus gives rise to the left coronary artery ;
The right aortic or anterior aortic sinus gives rise to the right coronary artery ;
The posterior aortic or right posterior aortic sinus usually gives rise to no vessels. It is often known as the non-coronary sinus.
The aortic sinuses are typically more prominent than the pulmonary sinuses.[5]
Clinical significance [ edit ]
If the coronary arteries arise from the wrong aortic sinuses, this can put the heart's ventricles at risk of ischaemia .[6] heart attack has already occurred, usually before the age of 20 and during exercise .[6]
Each aortic sinus can also be referred to as the sinus of Valsalva ,[1] sinus of Morgagni , the sinus of Mehta , the sinus of Otto , or Petit's sinus .
See also [ edit ]
References [ edit ]
^ Dorland's (2012). Dorland's Illustrated Medical Dictionary (32nd ed.). Elsevier. p. 1719. ISBN 978-1-4160-6257-8
^ Koeppen, Bruce M.; Stanton, Bruce A.; Swiatecka-Urban, Agnieszka, eds. (2024). Berne & Levy Physiology (8th ed.). Philadelphia, PA: Elsevier. ISBN 978-0-323-84790-2
^ Deng, Francis. "Sinus of Valsalva | Radiology Reference Article | Radiopaedia.org" . Radiopaedia . Retrieved 2023-01-08 .
^ Issa, Ziad F.; Miller, John M.; Zipes, Douglas P. (2012-01-01), Issa, Ziad F.; Miller, John M.; Zipes, Douglas P. (eds.), "Chapter 23 - Adenosine-Sensitive (Outflow Tract) Ventricular Tachycardia" , Clinical Arrhythmology and Electrophysiology: A Companion to Braunwald's Heart Disease (Second Edition) , Philadelphia: W.B. Saunders, pp. 562–586, doi :10.1016/b978-1-4557-1274-8.00023-3 , ISBN 978-1-4557-1274-8 , retrieved 2020-11-11
^ a b Thiene, G.; Rizzo, S.; Basso, C. (2016-01-01), Buja, L. Maximilian; Butany, Jagdish (eds.), "Chapter 10 - Pathology of Sudden Death, Cardiac Arrhythmias and Conduction System" , Cardiovascular Pathology (Fourth Edition) , San Diego: Academic Press, pp. 361–433, doi :10.1016/b978-0-12-420219-1.00010-0 , ISBN 978-0-12-420219-1 , retrieved 2020-11-11
External links [ edit ]
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General
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Layers
Blood supply
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Aortic_sinus&oldid=1231024115 " C a t e g o r y : ● A o r t a H i d d e n c a t e g o r i e s : ● A r t i c l e s n e e d i n g a d d i t i o n a l r e f e r e n c e s f r o m J a n u a r y 2 0 1 7 ● A l l a r t i c l e s n e e d i n g a d d i t i o n a l r e f e r e n c e s ● A l l a r t i c l e s l a c k i n g r e l i a b l e r e f e r e n c e s ● A r t i c l e s l a c k i n g r e l i a b l e r e f e r e n c e s f r o m J u n e 2 0 2 4 ● A r t i c l e s w i t h T A 9 8 i d e n t i f i e r s
● T h i s p a g e w a s l a s t e d i t e d o n 2 6 J u n e 2 0 2 4 , a t 0 1 : 1 0 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
