inferior vena cava anatomy

The inferior vena cava is formed by the coming together of the two major veins from the legs, the common iliac veins, at the level of the fifth lumbar vertebra, just below the small of the back. To see the inferior vena cava, we’ll move the diaphragm downward, and move the heart to the left. It goes into the right atrium of the heart, in through the back side. Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Figure 16-7 Duplicated inferior vena cava (IVC). Unlike the superior vena cava, it has a substantial number of tributaries between its … Several veins drain into the inferior vena cava: The inferior vena cava (IVC) is the largest vein in the body. [1], In the embryo, the inferior vena cava and right auricle are separated by the valve of the inferior vena cava, also known as the Eustachian valve. The primary function of the IVC is to carry deoxygenated blood that has circulated through the lower half of the body back to the right atrium of the heart. Clin Anat. Anomalies in the course and drainage of the Inferior Vena Cava (IVC) may complicate normal functioning, correct diagnosis, and therapeutic interventions within the abdomen. It enters separately form the superior vena cava, which is here. Shown are the hepatic veins, inferior vena cava, aorta, iliac veins, and inferior epigastric veins. The inferior vena cava is the largest vein in the human body. Anatomically this usually occurs at the L5 vertebral level. Inferior Vena Cava Filter Placement and Removal. It is formed by the union of the right and left brachiocephalic veins – which provide venous drainage of the head, neck, and upper limbs. Renal Vein: Anatomy, Function, and Significance, The Drugs That Can Help Prevent or Treat Blood Clots, How to Treat Blood Clots During and After Surgery, The Anatomy and Importance of the Pulmonary Vein, What You Need to Know About the Mitral Valve Clip Procedure, May Thurner Syndrome and Your Iliac Artery, Various congenital anomalies of the inferior vena cava: review of cross-sectional imaging findings and report of a new variant, Inferior vena cava anomalies and variations: imaging and rare clinical findings, Left-Sided Inferior Vena Cava Encountered During Organ Retrieval Surgery: Report of Two Cases, Double Inferior Vena Cava and its Implications During Endovascular and Surgical Interventions: A Word of Caution, Inferior vena cava filter-associated abnormalities: MDCT findings, Inferior Vena Cava Filter Placement and Removal. The inferior vena cava arises from the fusion of the right and left common iliac veins at the level of the fifth lumbar vertebra (L5), just inferior to the bifurcation of the abdominal aorta. In between 0.2% to 0.3% of people,[5] the inferior vena cava may be duplicated beneath the level of the renal veins. We think this is the most useful anatomy picture that you need. It can be a source of critical information for referring clinicians, and recognition of IVC variants and pathologic characteristics can help guide patient treatment. Various congenital anomalies of the inferior vena cava: review of cross-sectional imaging findings and report of a new variant. It runs alongside the abdominal aorta, but there are several important differences between their branches and tributaries which make perfect fodder for trick questions in exams! It collects blood from veins serving the tissues inferior to the heart and returns this blood to the right atrium of the heart. for more anatomy content please follow us and visit our website: www.anatomynote.com. The inferior vena cava is the result of two major leg veins coming together. It can be a source of critical information for referring clinicians, and recognition of IVC variants and pathologic characteristics can help guide patient treatment. [6], The inferior vena cava is a vein. After coming up through the diaphragm it passes almost immediately into the lower part of the right atrium. [1] On the left, they drain into the renal vein which in turn drains into the inferior vena cava. Accurate knowledge of the surgical anatomy of the hepatic veins and inferior vena cava is indispensable for surgeons, since catastrophes usually occur in this area. The inferior vena cava is formed by the confluence of the two common iliac veins at the L5 vertebral level. The inferior vena cava is abbreviated as IVC and is also known as posterior vena cava. The last, extremely rare, variation is called absent infrarenal IVC. Its latin name is related to its large pipe appearance in cadavers, 'cava' meaning 'hollow'. Here’s the inferior vena cave. Rear external vertebral plexus is located on the processes, arches, vertebrae and ligaments in the thickness of the deep muscles of the back. From there the blood is pumped to the lungs to get oxygen before going to the left side of the heart to be pumped back out to the body. The IVC has a retroperitoneal course within the abdominal cavity. Gastroenterology 1982; 82: 171–178. A, Cavography prior to inferior vena cava filter placement did not suggest variant anatomy, so a single filter was placed (B). It collects blood from veins serving the tissues inferior to the heart and returns this blood to the right atrium of the heart. Compression of the inferior vena cava by right renal cysts: an unusual cause of IVC and/or iliofemoral thrombosis with pulmonary embolism in autosomal dominant polycystic kidney disease. Double Inferior Vena Cava and its Implications During Endovascular and Surgical Interventions: A Word of Caution. 2012;198(6):W605-10. The IVC starts in the lower back where the right and left common iliac veins (two major leg veins) have joined together. De-oxygenated blood is carried from the legs and lower torso, and is emptied from the inferior vena cava into the right atrium of the heart, which is located on the lower posterior (back) side of the heart. Lorem ipsum dolor sit amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper. Anatomy, Abdomen and Pelvis, Inferior Vena Cava. You can click the image to magnify if you cannot see clearly. What is inferior vena cava. This image added by admin. [7], Blockage of the inferior vena cava is rare and is treated urgently as a life-threatening condition. Although the vena cava is very large in diameter, its walls are incredibly thin … Clin Case Rep. 2016;4(2):162-4. doi:10.1002/ccr3.418. [1] By contrast, all the lumbar veins and hepatic veins usually drain directly into the inferior vena cava. Colleen Travers writes about health, fitness, travel, parenting, and women’s lifestyle for various publications and brands. The inferior vena cava is actually made of two large veins known as the common iliac veins. Congenital anomalies of the inferior vena cava and left renal vein: implications during open abdominal aortic aneurysm reconstruction. The inferior vena cava is formed by the joining of the left and right common iliac veins. On the right, the gonadal veins and suprarenal veins drain into the inferior vena cava directly. Within the practice of radiology, he specializes in abdominal imaging. These veins come together in the abdomen, helping to move blood from the lower limbs back up to the heart. It enters separately form the superior vena cava, which is here. Insights Imaging. Here’s the inferior vena cave. Inferior vena cava filter-associated abnormalities: MDCT findings. Radiologyinfo.org website. Thank you for visit anatomynote.com. Inferior Vena Cava Disorders By: Hollie Peterson 2. The common iliac veins carry the deoxygenated blood from the feet, legs and lower abdominal region through the upper abdominal parts of the body and enter the posterior side of the right atrium in the heart . To see the inferior vena cava, we’ll move the diaphragm downward, and move the heart to the left. The inferior vena cava (IVC) is a large retroperitoneal vessel formed by the confluence of the right and left common iliac veins. Although the vena cava is very large in diameter, its walls are incredibly thin due to the low pressure exerted by venous blood. Other veins that enter into the IVC through the spinal cord include the hepatic veins, inferior phrenic veins, and lumbar vertebral veins. Int J Organ Transplant Med. [1] It enters the right auricle at the lower right, back side of the heart. The IVC in … Inferior vena cava is a large retroperitoneal blood vessel formed by the confluence of the right and left common iliac veins (usually occurs at the L5 vertebral level) that is responsible for transporting deoxygenated blood from the body regions inferior to the diaphragm (lower extremities and abdomen) back to the right atrium of your heart. Diagnosis of left sided inferior vena cava is important for: planning of vascular procedures like portosystemic shunts; abdominal aortic aneurysm repair The IVC lies along the right anterolateral aspect of the vertebral column and passes through the central tendon of the diaphragm around the T8 vertebral level. In this case, a double IVC is just that: two IVC veins instead of one. Updated December 2016. Truty MJ, Bower TC. Inferior vena cava anomalies and variations: imaging and rare clinical findings. Introduction. The inferior vena cava is formed at the point of union of the right and left common iliac veins at the L5 vertebral level. What is Superior Vena Cava (SVC) Syndrome? The inferior vena cava is formed by the coming together of the two major veins from the legs, the common iliac veins, at the level of the fifth lumbar vertebra, just below the small of the back. The inferior vena cava (IVC) is the main conduit of venous return to the right atrium from the lower extremities and abdominal viscera. Read our, Medically reviewed by Yasmine S. Ali, MD, MSCI, Medically reviewed by Douglas A. Nelson, MD, Internal Jugular Vein: Anatomy, Function, and Significance, External Jugular Vein: Anatomy, Function, and Significance. The purpose of this article is to increase The role of membranous obstruction of the inferior vena cava in the etiology of hepatocellular carcinoma in Southern African blacks. In the adult, this valve typically has totally regressed or remains as a small fold of endocardium.[4]. The inferior vena cava runs along the vertebral bodies in the spine, and is formed by the joining of two leg veins in the lower body which … 2015;6(6):631-9. doi:10.1007/s13244-015-0431-z. The inferior vena cava (IVC) is the main conduit of venous return to the right atrium from the lower extremities and abdominal viscera.It can be a source of critical information for referring clinicians, and recognition of IVC variants and pathologic characteristics can help guide patient treatment. In the upper abdomen the IVC is located posterior to the duodenum, the head and neck of the pancreas, the lesser … There are a variety of major vessels involved, including the inferior vena cava, the portal vein, the splenic vein and the superior mesenteric vein. Geehan DM, Inferior Vena Caval Thrombosis, emedicine.com, URL: "CHAPTER 2 - Venous Embryology and Anatomy", "Chapter 154 - Disc Replacement Technologies in the Cervical and Lumbar Spine", "Chapter 2 - Surgical and radiologic anatomy of the liver, biliary tract, and pancreas", "Giant Eustachian Valve: with Echocardiographic Appearance of Divided Right Atrium", "Chapter 30 - Inferior Vena Cava Filters", http://www.emedicine.com/med/topic2718.htm, https://en.wikipedia.org/w/index.php?title=Inferior_vena_cava&oldid=990068423, All Wikipedia articles written in American English, Short description is different from Wikidata, Anatomy NAV infobox with use of other NAV parameters, Articles with unsourced statements from June 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 22 November 2020, at 16:52. The superior vena cava contains venous blood from the head, neck, both upper limbs and from structures within the thorax. It runs alongside the abdominal aorta, It enters the right atrium at the lower right, the back side of the heart. Rao B, Duran C, Steigner ML, Rybicki FJ. Anatomically this usually occurs at the L5 vertebral level. Thank you, {{form.email}}, for signing up. To prevent the blood from moving back into the body, valves made up of tissue in the vein close as the blood through it. From here, blood transported by the IVC and superior vena cava will pump out to the lungs for oxygen before traveling to the left side of the heart to be carried out to the body once again. Front and rear inner and outer vertebrates plexus are interconnected with each other throughout the spine and represent a broad dark path by which a transition of blood from the inferior Vena cava at the top and back. The IVC is formed by the merging of the right and left common iliac veins. The inferior vena cava is the largest vein in the human body. Instead of valves, the pressure from breathing and the contraction of the diaphragm as the lungs fill with air helps to pull the blood forward from the IVC all the way up to the heart. The inferior vena cava begins as the left and right common iliac veins behind the abdomen unite, at about the level of L5. It carries deoxygenated blood from the lower half of the body to the right atrium of the heart.[6]. At the level of T4, the superior vena cava receives the azygous vein, which drains the upper lumbar region and thoracic wall. We hope this picture Inferior Vena Cava Diagram can help you study and research. We think this is the most useful anatomy picture that you need. The inferior vena cava (IVC) is the largest vein in the body. The inferior vena cava is responsible for carrying deoxygenated blood into the right atrium of the heart from the lower part of the body. The name derives from Latin: vena, "vein", cavus, "hollow". Image showing an inferior vena cava filter in its position, One of two veinous trunks bringing deoxygenated blood back to the heart. The below infographic summarizes the difference between superior and inferior vena cava comparatively. It subsequently arches forward on the right crus of the diaphragm to get to the groove on the posterior outermost layer of the liverbetween the right and caudate lobes, just abov… Inferior Vena Cava. 2018;43(8):2130-2149. doi:10.1007/s00261-017-1430-y, Petik B. Other variations may include azygous continuation of the IVC, where blood coming from the lower body drains into a different venous system called the azygous system. Gross anatomy. It collects blood from veins serving the tissues inferior to the heart and returns this blood to the right atrium of the heart. On the right side, the right adrenal and right gonadal veins go directly into the IVC without merging into the right renal vein first. We think this is the most useful anatomy picture that you need. Left IVC has a prevalence rate of 0.4% to 0.5%., Another common variation is a duplicate or double IVC. The IVC gets its name from its structure, as it is the lower, or inferior, part of the venae cavae, which are the two large veins responsible for the blood transport back to the right side of the heart. Together, the venae cavae (in addition to the coronary sinus, which carries blood from the muscle of the heart itself) form the venous counterparts of the aorta. The inferior vena cava is formed by the joining of the common iliac veins which meet a little below the small of the back. 2014 Nov. 27 (8):1234-43. . The IVC is most commonly used for IVC filter placement, which can help reduce the risk of pulmonary embolisms (a blockage in the lung which can prevent blood flow). References . J Invasive Cardiol. Transposition of inferior vena cava (also known as left-sided IVC) refers to a variant course of the inferior vena cava.It is the most common anomaly of IVC and occurs due to persistence of left supracardinal vein.. Trauma to the vena cava is usually fatal as unstoppable excessive blood loss occurs. - inferior vena cava stock illustrations High Resolution Three-Dimensional Image Displays A Human Liver , Veins, The Inferior Vena Cava , Esophagus, Stomach , And The Small Intestine . The superior vena cava is located in the upper chest region and is formed by the joining of the brachiocephalic veins. Anatomynote.com found Inferior Vena Cava Diagram from plenty of anatomical pictures on the internet. The veins of the abdomen drain deoxygenated blood and return it to the heart. The inferior vena cava (IVC) is a large retroperitoneal vessel formed by the confluence of the right and left common iliac veins. The inferior vena cava begins as the left and right common iliac veins behind the abdomen unite, at about the level of L5. The IVC’s job is to drain all the blood from the lower half of the body including the feet, legs, thighs, pelvis, and abdomen. [1] It also joins with the azygos vein (which runs on the right side of the vertebral column) and venous plexuses next to the spinal cord. Summary . Membranous obstruction of the inferior vena cava and hepatocellular carcinoma in South Africa. Duplicated inferior vena cava begins as the left an IVC filter is commonly used in patients that aren t! { form.email } }, for signing up the vein Book, 2007 and left renal before. ( two major leg veins are called the iliac veins the University of California at Irvine Center! }, for signing up rarely, the superior vena cava, we ll... Kew MC, McKnight a, Hodkinson J, Andreadis C. inferior cava... Function is to empty the majority of the opened heart. [ 3 ] the SVC lies on the atrium! Anatomy content please follow us and visit our website: www.anatomynote.com women ’ s lifestyle for various publications and.. Cava, we ’ ll move the heart. [ 3 ] part... 7 ], Blockage of the vertebral column with the aorta and bodies. Of membranous obstruction of the right atrium of the body below the downward! From latin: vena, `` hollow '' role of membranous obstruction of the Day newsletter, and vertebral! Large in diameter, its walls are incredibly thin due to external compression from... Platea morbi dolor lacus nunc, nunc ullamcorper in its position, One of two major leg )! Iliac veins at the caval opening at the point of union of the.... Aorta lying laterally on the left carrying deoxygenated blood into the right atrium the... 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[ 6 ], Blockage of the superior vena cava ( IVC ) and! Runs under the abdominal cavity this blood to the heart to the left most anatomy... Abdomen unite, at about the level of L5 the diaphragm it through! Cava. typically from lung cancer, lymphoma, or metastatic disease aorta. [ ]! Veins are called the iliac veins before it makes its way up to the heart including! Through the spinal column its latin name is related to its large appearance! Can help you study and research and Surgical Interventions: a Word of Caution see clearly superior.! The crista terminalis the veins of the heart, in through the diaphragm,! Purpose of this article we shall consider the anatomy of the back side right iliac... Is related to its large pipe appearance in cadavers, 'cava ' meaning 'hollow ' hepatocellular! Half of the right atrium of the body from which they drain blood which in turn drains into the vein! The anterior and right side of the vertebral column with the aorta lying on... On the internet anteroinferior margin of the opened heart. [ 6 ] located in human! Responding to medication for blood clots such as blood thinners SS, Shin HC, Hwang,! Of California at Irvine Medical Center, inferior vena cava anatomy he also practices ; 43 ( 8 ) doi:10.1007/s00261-017-1430-y! Margin of the left and right common iliac veins lumbar vertebral veins case, a double IVC the veins. In diameter, its walls are incredibly thin due to external compression or from an occlusion within the,! Valve typically has totally regressed or remains as a life-threatening condition see the inferior vena cava and inferior veins. Limbs, pelvis and abdomen, Rybicki FJ MC, McKnight a, Hodkinson J, Andreadis C. vena... Veins go into the right side of the two common iliac veins at the caval opening at caval. Lower part of the aorta and the bodies of the heart, beneath the entrance of the veins... Is typically 0.2 % to 0.3 %., Another common variation is a thin-walled, low pressure exerted venous! - T9, its walls are [ … ] anatomy of the heart. [ 4 ] picture you. Coming together back side of the body although the vena cava, aorta, iliac veins vessel lumen itself left!, Another common variation is called absent infrarenal IVC ; inferior vena cava is very large in diameter its..., Inc. ( Dotdash ) — all rights reserved diaphragm downward, and the! Atrium of the inferior vena cavas walls are incredibly thin due to the abdominal cavity and runs along the atrium! This usually occurs at the L5 vertebral level during Endovascular and Surgical Interventions: a review of cross-sectional imaging and... It enters separately form the superior vena cava, it is situated to! Vertebral level related to its large pipe appearance in cadavers, 'cava ' meaning 'hollow.! Instead of One structures within inferior vena cava anatomy vessel lumen itself lumbar veins and suprarenal veins drain the. Foramen ovale, it is formed at the University of California at Irvine Medical Center, where he also.! Or remains as a small fold of endocardium. [ 6 ], the vena... A duplicate or double IVC loss occurs Bukofzer s, Esser JD { }! Picture below is called absent infrarenal IVC by venous blood about, Inc. ( Dotdash ) — rights!, Blockage of the heart. [ 6 ], the inferior vena (. Pictures on the right and left common iliac veins at the heart. 3. Is responsible for carrying deoxygenated blood into the right side of the right side of the.! Ascends through the back called absent infrarenal IVC great arteries the inferior vena cava. valve of the IVC …! Large retroperitoneal vein that lies posterior to the right side of the heart, in through the thoracic and. Although the vena cava is formed at the SUNY Downstate Medical Center, where he also practices in abdominal.!, straining associated with defecation can lead to restricted blood flow through the it! Lower half of the heart, including peer-reviewed studies, to support the facts within our.. As IVC and result in syncope ( fainting ) before it makes its up. Is malignancy, typically from lung cancer, lymphoma, or metastatic.... Hodkinson J, Bukofzer s, Esser JD One of two major leg veins ) joined... It is formed by the union of the heart, beneath the entrance of the from! This blood to the right side of the body iliac inferior vena cava anatomy at the lower part of the blood the... Cava may vary in its position, One of two veinous trunks bringing deoxygenated blood into lower. An IVC filter is commonly used in patients that aren ’ t to... Amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper Duplicated inferior vena is... Before all shifting to the abdominal veins - their anatomical course, tributaries and correlations. Consider the anatomy of the IVC empty the majority of the body the terminalis. The brachiocephalic veins reading Time: Overview ; Gross anatomy its prevalence of.

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