Second degree AV block natural history, complications and prognosis: Difference between revisions
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==Complications== | ==Complications== | ||
Common complications associated with [[second degree AV block]] include: | |||
* [[Complete heart block]]<ref name="pmid6373268">{{cite journal |vauthors=Bexton RS, Camm AJ |title=Second degree atrioventricular block |journal=Eur. Heart J. |volume=5 Suppl A |issue= |pages=111–4 |date=March 1984 |pmid=6373268 |doi=10.1093/eurheartj/5.suppl_a.111 |url=}}</ref> | * [[Complete heart block]]<ref name="pmid6373268">{{cite journal |vauthors=Bexton RS, Camm AJ |title=Second degree atrioventricular block |journal=Eur. Heart J. |volume=5 Suppl A |issue= |pages=111–4 |date=March 1984 |pmid=6373268 |doi=10.1093/eurheartj/5.suppl_a.111 |url=}}</ref> | ||
* [[Stokes-Adams syndrome]] | * [[Stokes-Adams syndrome]] |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Zand, M.D.[2] Raviteja Guddeti, M.B.B.S. [3]
Overview
Second-degree AV nodal block commonly is seen in acute clinical settings including acute inferior wall myocardial infarction, digitalis intoxication, myocarditis, rheumatic fever), after cardiac surgery. Chronic AV nodal block is seen in the setting of ischemic heart disease, mesothelioma of the AV node, atrial septal defect, aortic valvular disease, amyloidosis, Reiter's syndrome, mitral valve prolapse, in healthy populations, and in trained athletes. Mobitz II second degree Av block due to block inferior to the AV node (infra-Hisian structures) may progresses to complete heart block.
Natural History
- Second-degree AV nodal block commonly is seen in acute clinical settings including acute inferior wall myocardial infarction, digitalis intoxication, myocarditis, rheumatic fever), after cardiac surgery.
- Chronic AV nodal block is seen in the setting of ischemic heart disease, mesothelioma of the AV node, atrial septal defect, aortic valvular disease, amyloidosis, Reiter's syndrome, mitral valve prolapse, in healthy populations , and in trained athletes.[1].
- Mobitz II second degree Av block due to block inferior to the AV node (infra-Hisian structures) may progresses to complete heart block.[2].
Complications
Common complications associated with second degree AV block include:
Prognosis
Prognosis is generally good in patients with chronic second-degree AV nodal block without organic heart disease.However, in patients with heart disease prognosis is poor and dependent on the severity of underlying heart disease.[5]
References
- ↑ Strasberg B, Amat-Y-Leon F, Dhingra RC, Palileo E, Swiryn S, Bauernfeind R, Wyndham C, Rosen KM (May 1981). "Natural history of chronic second-degree atrioventricular nodal block". Circulation. 63 (5): 1043–9. doi:10.1161/01.cir.63.5.1043. PMID 7471363.
- ↑ Rodstein M, Wolloch L, Iuster Z (1979). "The natural history intraventricular conduction disturbances in the aged: an analysis of the developing second and third degree heart block with clinical pathological correlations". Am. J. Med. Sci. 277 (2): 179–88. doi:10.1097/00000441-197903000-00006. PMID 463945.
- ↑ Bexton RS, Camm AJ (March 1984). "Second degree atrioventricular block". Eur. Heart J. 5 Suppl A: 111–4. doi:10.1093/eurheartj/5.suppl_a.111. PMID 6373268.
- ↑ Mangi MA, Jones WM, Napier L. PMID 29493981. Missing or empty
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(help) - ↑ Strasberg, B; Amat-Y-Leon, F; Dhingra, R C; Palileo, E; Swiryn, S; Bauernfeind, R; Wyndham, C; Rosen, K M (1981). "Natural history of chronic second-degree atrioventricular nodal block". Circulation. 63 (5): 1043–1049. doi:10.1161/01.CIR.63.5.1043. ISSN 0009-7322.