Valves | The Common Vein

Valves in the Body

Principles

Septum Primum

01671 heart cardiac atrial septum septum primum septum secundum sinus venosus right atrium normal anatomy coronary sinus thebesian valve Eustachian valve coronary sinus triangle of Koch atrioventricular node A-V node grosspathology Courtesy Ashley Davidoff MD AFD

Neonatal Pulmonary Valve

This is a post mortem specimen of a young pulmonary valve. Note how delicate the valve leaflets are.

Courtesy Ashley Davidoff MD 00245 code PV normal anatomy

Aortic Valve – Health and Disease

07953c02 heart cardiac aorta aortic valve fx normal fx thickened fx bicuspid aortic valve fx calcified fx calcification fusion of the intercoronary commisures grossanatomy grosspathology Davidoff MD b and d Courtesy Henri Cuenoud MD

Aortic Stenosis – Doming of the Valve – LVH

07969bW.802 heart cardiac aorta aortic valve fx thickening of the aortic valves LVH left ventricular hypertrophy post stenotic dilatation of the ascending aorta turbulence eccentric jet doming of the aortic valve AV AS aortic stenosis Davidoff art

Mitral Valve

The most beautiful feature of the LA (in my opinion of course) is its view of the anterior leaflet of the mitral valve through the annulus. To see the chordae and the sail of the anterior leaflet biphasically flap-flapping must be a sight to behold. Courtesy of Ashley Davidoff M.D. code cardiac heart normal MV mitral valve anatomy 32106

Mitral and Tricuspid Valve

This diagram shows the thick walled smooth internal features of the left ventricle. There are two consistent sets of papillary muscles which are attached to the free wall of the left ventricle. It is also important to note that the anterior leaflet of the mitral valve has intimate contact with the base of the aortic valve. It can thus function as part of both the inflow as Courtesy of Ashley Davidoff M.D. 32125

Venous Valves

10392.800 vein arm basilic valve Davidoff MD

Venous Valves

26032d.800 vein arm basilic valve Davidoff MD

Venous Valves – USscan

The USscans is from the median cubital vein of a patient who underwent USscan guidance for placement of a PICC line. It demonstrates the anatomy of the vein with semilunar valves. Courtesy Ashley Davidoff MD 39128c02 code CVS arm upper limb vein valve normal medial cubital vein basilic vein

Innocent but deadly Thrombus in the Veins

26061c09.41k.8s The artistic rendition of a normal venogram (a) and a vein with DVT (red b) is shown. The innocent appearing thrombus in the distended vein is a life threatening entity. Note that the thrombus allows some contrast to pool at the valve( white contrast in the cusps of the valve in b) as well as on the left side of the vein creating a tram-track like appearance. code vein DVT thrombus deep vein thrombosis valves cusps Davidoff art Courtesy Ashley DAvidoff MD copyright 2009 All rights reserved

Soft Palate and Superior Constrictors Act as A Valve to Prevent Reflux of Bolus up Nasopharynx

75239c01 teal = nasopharynx pink = soft palate maroon = superior constrictors soft palate nasopharynx oropharynx anatomy function physiology normal elevation of the soft palate The soft palate elevates, the superior constrictors converge on the soft palate, and food and fluid pass into the oropharynx minimal reflux up nasopharynx prevented from advancing into upper nasopharynx by soft palate and superior constrictors barium swallow normal Courtesy Ashley Davidoff MD

Ileocecal Valve in Blue

32525d02.800 colon large bowel small bowel terminal ileum ileocecal valve normal anatomy Davidoff art

Ileocecal Valve in Blue

32525d03.800 colon large bowel small bowel terminal ileum ileocecal valve normal anatomy Davidoff art

Ileocecal Valve in Light Green

32525d04.800 colon large bowel small bowel terminal ileum ileocecal valve normal anatomy Davidoff art

Pylorus

43404 stomach antrum pylorus pyloric channel duodenum normal anatomy UGI Courtesy Ashley Davidoff MD

Pylorus

01978b stomach gastric pylorus duodenum junction normal anatomy

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01978b stomach gastric pylorus duodenum junction normal anatomy



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43404 stomach antrum pylorus pyloric channel duodenum normal anatomy UGI Courtesy Ashley Davidoff MD



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Ileocecal Valve in Light Green



32525d04.800 colon large bowel small bowel terminal ileum ileocecal valve normal anatomy Davidoff art



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Ileocecal Valve in Blue



32525d03.800 colon large bowel small bowel terminal ileum ileocecal valve normal anatomy Davidoff art



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32525d03.800 colon large bowel small bowel terminal ileum ileocecal valve normal anatomy Davidoff art



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Ileocecal Valve in Blue



32525d02.800 colon large bowel small bowel terminal ileum ileocecal valve normal anatomy Davidoff art



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32525d02.800 colon large bowel small bowel terminal ileum ileocecal valve normal anatomy Davidoff art



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Soft Palate and Superior Constrictors Act as A Valve to Prevent Reflux of Bolus up Nasopharynx



75239c01 teal = nasopharynx pink = soft palate maroon = superior constrictors soft palate nasopharynx oropharynx anatomy function physiology normal elevation of the soft palate The soft palate elevates, the superior constrictors converge on the soft palate, and food and fluid pass into the oropharynx minimal reflux up nasopharynx prevented from advancing into upper nasopharynx by soft palate and superior constrictors barium swallow normal Courtesy Ashley Davidoff MD



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Soft Palate and Superior Constrictors Act as A Valve to Prevent Reflux of Bolus up Nasopharynx



75239c01 teal = nasopharynx pink = soft palate maroon = superior constrictors soft palate nasopharynx oropharynx anatomy function physiology normal elevation of the soft palate The soft palate elevates, the superior constrictors converge on the soft palate, and food and fluid pass into the oropharynx minimal reflux up nasopharynx prevented from advancing into upper nasopharynx by soft palate and superior constrictors barium swallow normal Courtesy Ashley Davidoff MD



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Innocent but deadly Thrombus in the Veins



26061c09.41k.8s The artistic rendition of a normal venogram (a) and a vein with DVT (red b) is shown. The innocent appearing thrombus in the distended vein is a life threatening entity. Note that the thrombus allows some contrast to pool at the valve( white contrast in the cusps of the valve in b) as well as on the left side of the vein creating a tram-track like appearance. code vein DVT thrombus deep vein thrombosis valves cusps Davidoff art Courtesy Ashley DAvidoff MD copyright 2009 All rights reserved



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Innocent but deadly Thrombus in the Veins



26061c09.41k.8s The artistic rendition of a normal venogram (a) and a vein with DVT (red b) is shown. The innocent appearing thrombus in the distended vein is a life threatening entity. Note that the thrombus allows some contrast to pool at the valve( white contrast in the cusps of the valve in b) as well as on the left side of the vein creating a tram-track like appearance. code vein DVT thrombus deep vein thrombosis valves cusps Davidoff art Courtesy Ashley DAvidoff MD copyright 2009 All rights reserved



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Venous Valves – USscan


The USscans is from the median cubital vein of a patient who underwent USscan guidance for placement of a PICC line. It demonstrates the anatomy of the vein with semilunar valves. Courtesy Ashley Davidoff MD 39128c02 code CVS arm upper limb vein valve normal medial cubital vein basilic vein



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Venous Valves – USscan


The USscans is from the median cubital vein of a patient who underwent USscan guidance for placement of a PICC line. It demonstrates the anatomy of the vein with semilunar valves. Courtesy Ashley Davidoff MD 39128c02 code CVS arm upper limb vein valve normal medial cubital vein basilic vein



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26032d.800 vein arm basilic valve Davidoff MD



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10392.800 vein arm basilic valve Davidoff MD



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Mitral and Tricuspid Valve


This diagram shows the thick walled smooth internal features of the left ventricle. There are two consistent sets of papillary muscles which are attached to the free wall of the left ventricle. It is also important to note that the anterior leaflet of the mitral valve has intimate contact with the base of the aortic valve. It can thus function as part of both the inflow as Courtesy of Ashley Davidoff M.D. 32125



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Mitral and Tricuspid Valve


This diagram shows the thick walled smooth internal features of the left ventricle. There are two consistent sets of papillary muscles which are attached to the free wall of the left ventricle. It is also important to note that the anterior leaflet of the mitral valve has intimate contact with the base of the aortic valve. It can thus function as part of both the inflow as Courtesy of Ashley Davidoff M.D. 32125



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Mitral Valve


The most beautiful feature of the LA (in my opinion of course) is its view of the anterior leaflet of the mitral valve through the annulus. To see the chordae and the sail of the anterior leaflet biphasically flap-flapping must be a sight to behold. Courtesy of Ashley Davidoff M.D. code cardiac heart normal MV mitral valve anatomy 32106



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The most beautiful feature of the LA (in my opinion of course) is its view of the anterior leaflet of the mitral valve through the annulus. To see the chordae and the sail of the anterior leaflet biphasically flap-flapping must be a sight to behold. Courtesy of Ashley Davidoff M.D. code cardiac heart normal MV mitral valve anatomy 32106



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Aortic Stenosis – Doming of the Valve – LVH



07969bW.802 heart cardiac aorta aortic valve fx thickening of the aortic valves LVH left ventricular hypertrophy post stenotic dilatation of the ascending aorta turbulence eccentric jet doming of the aortic valve AV AS aortic stenosis Davidoff art



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Aortic Valve – Health and Disease


07953c02 heart cardiac aorta aortic valve fx normal fx thickened fx bicuspid aortic valve fx calcified fx calcification fusion of the intercoronary commisures grossanatomy grosspathology Davidoff MD b and d Courtesy Henri Cuenoud MD



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Neonatal Pulmonary Valve



This is a post mortem specimen of a young pulmonary valve. Note how delicate the valve leaflets are.
Courtesy Ashley Davidoff MD 00245 code PV normal anatomy



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Courtesy Ashley Davidoff MD 00245 code PV normal anatomy



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TCV