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Conduction: Difference between revisions
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→The QRS duration
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'''The QRS duration indicates how fast the ventricles depolarize. The normal QRS is < 0.10 seconds''' | '''The QRS duration indicates how fast the ventricles depolarize. The normal QRS is < 0.10 seconds''' | ||
The ventricles depolarize normally within 0.10 seconds. When this is longer than 0. | The ventricles depolarize normally within 0.10 seconds. When this is longer than 0.11 seconds<cite>aha</cite>, this is a [[conduction delay| conduction delay]]. Possible causes of a QRS duration > 0.11 seconds include: | ||
* [[LBBB|Left bundle branch block]] | * [[LBBB|Left bundle branch block]] | ||
* [[RBBB|Right bundle branch block]] | * [[RBBB|Right bundle branch block]] | ||