Third degree AV block historical perspective: Difference between revisions
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==Historical Perspective== | ==Historical Perspective== | ||
* In 1894, Dr. Engelmann described a phenomenon of AV interval lengthening. Dr. Engelmann described a stimulus that is applied to the atrium followed by elongation of the AV interval.<ref name="pmid18907667">{{cite journal| author=LANGENDORF R| title=Concealed A-V conduction; the effect of blocked impulses on the formation and conduction of subsequent impulses. | journal=Am Heart J | year= 1948 | volume= 35 | issue= 4 | pages= 542-52 | pmid=18907667 | doi=10.1016/0002-8703(48)90641-3 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18907667 }}</ref> | |||
* In 1925, Dr. Ashmar further studied this blocked impulses and their impact on the conduction in the muscle of the heart. | |||
* Dr. Ashmar stated the early blocked beats that follow a normal impulses have less effect on the conduction system. | |||
* | |||
===Discovery=== | ===Discovery=== | ||
* There is limited information about the historical perspective of third degree AV block. | * There is limited information about the historical perspective of third degree AV block. | ||
Revision as of 21:06, 6 April 2020
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Third degree AV block historical perspective On the Web | |
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American Roentgen Ray Society Images of Third degree AV block historical perspective | |
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Risk calculators and risk factors for Third degree AV block historical perspective | |
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Diagnosis |
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Treatment |
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Case Studies |
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Third degree AV block historical perspective On the Web |
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American Roentgen Ray Society Images of Third degree AV block historical perspective |
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Risk calculators and risk factors for Third degree AV block historical perspective |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Soroush Seifirad, M.D.[2]
Overview
Historical Perspective
- In 1894, Dr. Engelmann described a phenomenon of AV interval lengthening. Dr. Engelmann described a stimulus that is applied to the atrium followed by elongation of the AV interval.[1]
- In 1925, Dr. Ashmar further studied this blocked impulses and their impact on the conduction in the muscle of the heart.
- Dr. Ashmar stated the early blocked beats that follow a normal impulses have less effect on the conduction system.
Discovery
- There is limited information about the historical perspective of third degree AV block.
OR
- Third degree AV block was first discovered by [name of scientist], a [nationality + occupation], in [year]/during/following [event].
- The association between [important risk factor/cause] and third degree AV block was made in/during [year/event].
- In [year], [scientist] was the first to discover the association between [risk factor] and the development of third degree AV block.
- In [year], [gene] mutations were first implicated in the pathogenesis of third degree AV block.
Landmark Events in the Development of Treatment Strategies
Impact on Cultural History
Famous Cases
The following are a few famous cases of third degree AV block:
References
- ↑ LANGENDORF R (1948). "Concealed A-V conduction; the effect of blocked impulses on the formation and conduction of subsequent impulses". Am Heart J. 35 (4): 542–52. doi:10.1016/0002-8703(48)90641-3. PMID 18907667.