Conduction: Difference between revisions

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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 0.11 seconds<cite>aha</cite>, this is a [[conduction delay| conduction delay]]. Possible causes of a QRS duration > 0.11 seconds include:
The ventricles depolarize  normally within 0.10 seconds. When this is longer than 110 miliseconds<cite>aha</cite>, this is a [[conduction delay| conduction delay]]. Possible causes of a QRS duration > 110 miliseconds include:
* [[LBBB|Left bundle branch block]]
* [[LBBB|Left bundle branch block]]
* [[RBBB|Right bundle branch block]]
* [[RBBB|Right bundle branch block]]