Intraventricular Conduction: Difference between revisions

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==Conduction delay==
=Conduction delay=
[[Image:geleidingssysteem.jpg|thumb| If the conduction system is dysfunctional, the QRS widens beyond 0.12 seconds.]]
[[Image:geleidingssysteem.jpg|thumb| If the conduction system is dysfunctional, the QRS widens beyond 0.12 seconds.]]
If the QRS complex is wider than 0.12 seconds this is mostly caused by a delay in the conduction tissue of one of the bundle branches:
If the QRS complex is wider than 0.12 seconds this is mostly caused by a delay in the conduction tissue of one of the bundle branches:
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== LBBB vs RBBB ==
= LBBB vs RBBB =
[[Image:LBTB_RBTB_en.png|thumb| A bundle branch block causes a delay in the depolarization of the right (RBBB) or left (LBBB) ventricle. In RBBB the QRS complex shows a second peak or R' in V1.]]
[[Image:LBTB_RBTB_en.png|thumb| A bundle branch block causes a delay in the depolarization of the right (RBBB) or left (LBBB) ventricle. In RBBB the QRS complex shows a second peak or R' in V1.]]
Check V1 when QRS > 0.12 sec.
Check V1 when QRS > 0.12 sec.
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==Left Bundle Branch Block (LBBB)==
=Left Bundle Branch Block (LBBB)=
{{:LBBB}}
{{:LBBB}}


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==Right Bundle Branch Block (RBBB)==
=Right Bundle Branch Block (RBBB)=
{{:RBBB}}
{{:RBBB}}


==Left Anterior Fascicular Block (LAFB)==
=Left Anterior Fascicular Block (LAFB)=
{{Box|
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;Criteria for Left Anterior Fascicular Block
;Criteria for Left Anterior Fascicular Block
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==Left Posterior Fasicular Block (LPFB)==
=Left Posterior Fasicular Block (LPFB)=
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;Criteria for posterior fascicular block:
;Criteria for posterior fascicular block:
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==Mechanisms of aberrant conduction==
=Mechanisms of aberrant conduction=
[[Image:E000573.jpg|Rate dependant left bundle branch aberration|thumb]]
[[Image:E000573.jpg|Rate dependant left bundle branch aberration|thumb]]
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==References==
=References=
<biblio>
<biblio>
#Garcia isbn=0763722464
#Garcia isbn=0763722464