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Previous Volume 342:398 February 10, 2000 Number 6 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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Figure 1.

View larger version (45K): [in this window] [in a new window]   Figure 1. A 12-year-old boy with the familial long-QT syndrome had an automatic cardioverter–defibrillator implanted after resuscitation from cardiac arrest. The device was programmed to wait 7.5 seconds before discharging in response to ventricular tachycardia or ventricular fibrillation. The boy took 120 mg of nadolol daily. Three months later, he suddenly collapsed while answering a question in school. Analysis of the cardioverter–defibrillator revealed the following sequence of events: normal sinus rhythm with a corrected QT interval of 0.66 second (top tracing) was followed by torsade de pointes (middle tracing) and ventricular fibrillation (bottom tracing), prompting discharge of the cardioverter–defibrillator . . . [Full Text of this Article]

 

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