Bradycardia-associated torsade de pointes and the long-QT syndromes: a case report and review of the literature.

We report a case of bradycardia-associated torsade de pointes in which the underlying long-QT syndrome appeared to be attributable to primary cardiac conducting system disease. Our patient presented complaining of presyncope and syncope. Serial electrocardiograms obtained over a period of 10 years demonstrated slowly progressive conduction system abnormalities, and evaluation revealed no other cause.

SARS and its impact on current and future Emergency Department operations.

A long-standing concern for international spread of new, virulent pathogens became a reality with the advent of Severe Acute Respiratory Syndrome (SARS). This respiratory syndrome, caused by a coronavirus, spread rapidly across 30 nations since its first recognition in late 2002. SARS has presented the greatest recent threat to U.