File:Rhythm torsade.png: Difference between revisions
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m (New page: An example of Torsade de Pointes. A normal sinus beat is followed by a ventricular extrasystole ('''short'''ly after the sinus beat), the compensatory pause results in a '''long'''er inter...) |
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==Description== | |||
An example of Torsade de Pointes. A normal sinus beat is followed by a ventricular extrasystole ('''short'''ly after the sinus beat), the compensatory pause results in a '''long'''er interval to the next beat. This longer beat therefore has a longer [[Conduction|QT interval]]. The next beat follows '''short'''ly therafter, withing the QT interval. Not all ventricular cells have been repolarized by that time and a ventricular arrhythmia results. This short-long-short sequence is typical for Torsades de pointes. | An example of Torsade de Pointes. A normal sinus beat is followed by a ventricular extrasystole ('''short'''ly after the sinus beat), the compensatory pause results in a '''long'''er interval to the next beat. This longer beat therefore has a longer [[Conduction|QT interval]]. The next beat follows '''short'''ly therafter, withing the QT interval. Not all ventricular cells have been repolarized by that time and a ventricular arrhythmia results. This short-long-short sequence is typical for Torsades de pointes. | ||
Latest revision as of 14:02, 23 July 2007
Description
An example of Torsade de Pointes. A normal sinus beat is followed by a ventricular extrasystole (shortly after the sinus beat), the compensatory pause results in a longer interval to the next beat. This longer beat therefore has a longer QT interval. The next beat follows shortly therafter, withing the QT interval. Not all ventricular cells have been repolarized by that time and a ventricular arrhythmia results. This short-long-short sequence is typical for Torsades de pointes.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 10:04, 10 April 2010 |  | 1,600 × 262 (31 KB) | (username removed) |
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