13
edits
Conduction: Difference between revisions
→The QRS duration: added electrolyte derangement and ventricular rhythm to causes of QRS duration > 0.12 s
m (→References) |
(→The QRS duration: added electrolyte derangement and ventricular rhythm to causes of QRS duration > 0.12 s) |
||
| Line 22: | Line 22: | ||
The QRS duration indicates how fast the ventricles depolarize. | The QRS duration indicates how fast the ventricles depolarize. | ||
The ventricles depolarize normally within 0.10 seconds. When this is longer than 0.12 seconds, this is a [[conduction delay| conduction delay]] | The ventricles depolarize normally within 0.10 seconds. When this is longer than 0.12 seconds, this is a [[conduction delay| conduction delay]]. Possible causes of a QRS duration > 0.12 seconds include: | ||
* [[LBBB|Left bundle branch block]] | |||
* [[RBBB|Right bundle branch block]] | |||
* [[Electrolyte]] derangement | |||
* [[Ventricular rhythm]] including paced rhythm | |||
==The QT interval== | ==The QT interval== | ||