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| ==Chagas disease== | | ==Chagas disease== |
| *[[AKA]] ''American trypanosomiasis''. | | *[[AKA]] ''American trypanosomiasis''. |
| | | {{Main|Chagas disease}} |
| ===General===
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| *Essentially a South American disease.
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| *Etiology: protozoa ''Trypanosoma cruzi'' - transmitted by ''reduvid bugs'',<ref name=PMH0002348>URL: [http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002348/ http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002348/]. Accessed on: 4 December 2011.</ref> also known as ''kissing bug''.<ref>URL: [http://www.who.int/topics/chagas_disease/en/ http://www.who.int/topics/chagas_disease/en/]. Accessed on: 1 December 2011.</ref>
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| Clinical:<ref name=pmid17072450>{{Cite journal | last1 = Teixeira | first1 = AR. | last2 = Nascimento | first2 = RJ. | last3 = Sturm | first3 = NR. | title = Evolution and pathology in chagas disease--a review. | journal = Mem Inst Oswaldo Cruz | volume = 101 | issue = 5 | pages = 463-91 | month = Aug | year = 2006 | doi = | PMID = 17072450 |URL = http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762006000500001&lng=en&nrm=iso&tlng=en }}</ref>
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| *Depends on phase of infection.
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| *[[cardiac arrhythmia|Arrhythmia]]s (late).
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| Dx:<ref>URL: [http://www.cdc.gov/parasites/chagas/diagnosis.html http://www.cdc.gov/parasites/chagas/diagnosis.html]. Accessed on: 4 December 2011.</ref>
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| *Usually serology.
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| *Thin blood smear.
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| Tx:
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| *Antimicrobials: benznidazole, nifurtimox.<ref name=PMH0002348/>
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| ===Microscopic===
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| Features:
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| *Inflammation - main finding.<ref name=pmid17072450/>
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| *Intramuscular organisms (without an inflammatory response).
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| *Neuronal loss in atrial ganglia.<ref name=pmid17339569/>
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| DDx:
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| *[[Toxoplasmosis]].<ref>URL: [http://path.upmc.edu/cases/case160/micro.html http://path.upmc.edu/cases/case160/micro.html]. Accessed on: 8 January 2012.</ref> (???)
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| Images:
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| *[http://www.uaz.edu.mx/histo/pathology/ed/ch_9c/c9c_chagas.htm Chagas disease (uaz.edu.mx)].
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| *[http://cardiovascres.oxfordjournals.org/content/60/1/96/F1.expansion.html Chagas disease (oxfordjournals.org)].<ref>{{Cite journal | last1 = Higuchi | first1 = Mde L. | last2 = Benvenuti | first2 = LA. | last3 = Martins Reis | first3 = M. | last4 = Metzger | first4 = M. | title = Pathophysiology of the heart in Chagas' disease: current status and new developments. | journal = Cardiovasc Res | volume = 60 | issue = 1 | pages = 96-107 | month = Oct | year = 2003 | doi = | PMID = 14522411 }}</ref>
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| ===IHC===
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| *Anti–T cruzi immunoperoxidase.<ref name=pmid17339569>{{Cite journal | last1 = Marin-Neto | first1 = JA. | last2 = Cunha-Neto | first2 = E. | last3 = Maciel | first3 = BC. | last4 = Simões | first4 = MV. | title = Pathogenesis of chronic Chagas heart disease. | journal = Circulation | volume = 115 | issue = 9 | pages = 1109-23 | month = Mar | year = 2007 | doi = 10.1161/CIRCULATIONAHA.106.624296 | PMID = 17339569 |URL = http://circ.ahajournals.org/content/115/9/1109.long }}</ref>
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| ==Cardiac amyloidosis== | | ==Cardiac amyloidosis== |