Third degree AV block classification: Difference between revisions
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==Classification== | ==Classification== | ||
There is no established system for the classification of third degree AV block. | There is no established system for the classification of third degree AV block. But AV dissociation can be further classified into two subtypes as follows: | ||
===AV Dissociation by Default=== | |||
* In this [[rhythm]] there is an independent ventricular pacemaker response to slowing of the dominant atrial pacemaker. | |||
In this [[rhythm]] there is an independent ventricular pacemaker response to slowing of the dominant atrial pacemaker. | |||
===AV Dissociation by Usurpation=== | ===AV Dissociation by Usurpation=== | ||
In this rhythm there is acceleration of a latent pacemaker that takes control of cardiac conduction by exceeding the intrinsic atrial rate. | |||
* In this rhythm there is acceleration of a latent pacemaker that takes control of cardiac conduction by exceeding the intrinsic atrial rate. | |||
==References== | ==References== | ||
Revision as of 00:42, 10 April 2020
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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]
Overview
There is no established system for the classification of third degree AV block.
Classification
There is no established system for the classification of third degree AV block. But AV dissociation can be further classified into two subtypes as follows:
AV Dissociation by Default
- In this rhythm there is an independent ventricular pacemaker response to slowing of the dominant atrial pacemaker.
AV Dissociation by Usurpation
- In this rhythm there is acceleration of a latent pacemaker that takes control of cardiac conduction by exceeding the intrinsic atrial rate.