Difference between revisions of "Heart valves"

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547 bytes added ,  12:41, 1 June 2012
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*Associated with [[systemic lupus erythematosus]].
*Associated with [[systemic lupus erythematosus]].
**Seen in approximately in 1/10 SLE cases by echocardiography.<ref name=pmid19946116/>
**Seen in approximately in 1/10 SLE cases by echocardiography.<ref name=pmid19946116/>
**May be a manifestation of APLA syndrome.<ref name=pmid19089657/>
*Affects the mitral and aortic valves.<ref name=pmid19089657>{{Cite journal  | last1 = Lee | first1 = JL. | last2 = Naguwa | first2 = SM. | last3 = Cheema | first3 = GS. | last4 = Gershwin | first4 = ME. | title = Revisiting Libman-Sacks endocarditis: a historical review and update. | journal = Clin Rev Allergy Immunol | volume = 36 | issue = 2-3 | pages = 126-30 | month = Jun | year = 2009 | doi = 10.1007/s12016-008-8113-y | PMID = 19089657 }}</ref>
*Affects the mitral and aortic valves.<ref name=pmid19089657>{{Cite journal  | last1 = Lee | first1 = JL. | last2 = Naguwa | first2 = SM. | last3 = Cheema | first3 = GS. | last4 = Gershwin | first4 = ME. | title = Revisiting Libman-Sacks endocarditis: a historical review and update. | journal = Clin Rev Allergy Immunol | volume = 36 | issue = 2-3 | pages = 126-30 | month = Jun | year = 2009 | doi = 10.1007/s12016-008-8113-y | PMID = 19089657 }}</ref>
**Mitral valve most commonly affected.<ref name=pmid8608627>{{Cite journal  | last1 = Hojnik | first1 = M. | last2 = George | first2 = J. | last3 = Ziporen | first3 = L. | last4 = Shoenfeld | first4 = Y. | title = Heart valve involvement (Libman-Sacks endocarditis) in the antiphospholipid syndrome. | journal = Circulation | volume = 93 | issue = 8 | pages = 1579-87 | month = Apr | year = 1996 | doi =  | PMID = 8608627 }}</ref>
*It has been suggested that it may be a manifestation of APLA syndrome.<ref name=pmid19089657/><ref name=pmid8608627/>
Clinical:
*Usually regurgitation.


===Gross===
===Gross===
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===Microscopic===
===Microscopic===
Features:
Features:{{fact}}
*Hematoxylin bodies. (???)
*Fibrin.
*No microorganisms.
*No inflammation.


==Biscupid aortic valve==
==Biscupid aortic valve==
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