Third degree AV block classification: Difference between revisions
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==Classification== | ==Classification== | ||
[[Atrioventricular block]] can be classified as follows: | |||
{| style="border: 2px solid #4479BA; align="left" | {| style="border: 2px solid #4479BA; align="left" | ||
! style="width: 200px; background: #4479BA;" | {{fontcolor|#FFF| | ! style="width: 200px; background: #4479BA;" | {{fontcolor|#FFF| [[First-degree atrioventricular block]]}} | ||
! style="width: 300px; background: #4479BA;" | {{fontcolor|#FFF| | ! style="width: 300px; background: #4479BA;" | {{fontcolor|#FFF| [[Second-degree atrioventricular block]]}} | ||
! style="width: 400px; background: #4479BA;" | {{fontcolor|#FFF| | ! style="width: 400px; background: #4479BA;" | {{fontcolor|#FFF| [[Third-degree atrioventricular block]]}} | ||
|- | |- | ||
| style="padding: 0 5px; background: #F5F5F5; text-align: left;" | | | style="padding: 0 5px; background: #F5F5F5; text-align: left;" | [[P waves]] associated with 1:1 [[atrioventricular conduction]] and a [[PR interval]] >200 ms, | ||
| style="padding: 0 5px; background: #F5F5F5; text-align: left;" | | | style="padding: 0 5px; background: #F5F5F5; text-align: left;" | [[P waves]] with a constant rate (<100 bpm), [[atrioventricular conduction]] is present but not 1:1 | ||
| style="padding: 0 5px; background: #F5F5F5; text-align: left;" | The width of this column is 400px | | style="padding: 0 5px; background: #F5F5F5; text-align: left;" | The width of this column is 400px | ||
|- | |- | ||
| style="padding: 0 5px; background: #F5F5F5; text-align: left;" | | | style="padding: 0 5px; background: #F5F5F5; text-align: left;" |[[atrioventricular]] delay, no P waves are blocked | ||
| style="padding: 0 5px; background: #F5F5F5; text-align: left;" | | | style="padding: 0 5px; background: #F5F5F5; text-align: left;" | [[Mobitz type I]]: P waves with a constant rate (<100 bpm) with a periodic single nonconducted P wave associated with P waves before and after the nonconducted P wave with inconstant [[PR intervals]] | ||
| style="padding: 0 5px; background: #F5F5F5; text-align: left;" | The width of this column is 400px | | style="padding: 0 5px; background: #F5F5F5; text-align: left;" | The width of this column is 400px | ||
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{{clear}} | {{clear}} | ||
==References== | ==References== | ||
Revision as of 13:06, 13 June 2021
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Third degree AV block Microchapters | |
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Diagnosis | |
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Treatment | |
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Case Studies | |
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Third degree AV block classification On the Web | |
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American Roentgen Ray Society Images of Third degree AV block classification | |
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Risk calculators and risk factors for Third degree AV block classification | |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Soroush Seifirad, M.D.[2] Cafer Zorkun, M.D., Ph.D. [3] Qasim Khurshid, M.B.B.S [4]
Overview
Classification
Atrioventricular block can be classified as follows:
| First-degree atrioventricular block | Second-degree atrioventricular block | Third-degree atrioventricular block |
|---|---|---|
| P waves associated with 1:1 atrioventricular conduction and a PR interval >200 ms, | P waves with a constant rate (<100 bpm), atrioventricular conduction is present but not 1:1 | The width of this column is 400px |
| atrioventricular delay, no P waves are blocked | Mobitz type I: P waves with a constant rate (<100 bpm) with a periodic single nonconducted P wave associated with P waves before and after the nonconducted P wave with inconstant PR intervals | The width of this column is 400px |
References