• Congenital heart disease · Jan 2014

    Case Reports

    Long QT syndrome unmasked by dexmedetomidine: a case report.

    • Kristin M Burns and E Anne Greene.
    • Children's National Medical Center, Washington, DC, USA.
    • Congenit Heart Dis. 2014 Jan 1;9(1):E11-5.

    AbstractDexmedetomidine is a selective alpha-2 adrenergic agonist that is used frequently for short-term sedation in children. It has been noted to cause hypertension, hypotension, bradycardia, and sinus pauses; however, QTc prolongation has not been reported with dexmedetomidine administration. We describe a case of marked QT prolongation with use of dexmedetomidine in a pediatric critical care setting. Clinicians should be vigilant about potential QT prolongation in patients on dexmedetomidine, particularly in those receiving multiple other medications.© 2013 Wiley Periodicals, Inc.

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