What is the role of pharmacologic provocation in the workup of long QT syndrome (LQTS)?

Updated: Nov 29, 2017
  • Author: Ali A Sovari, MD, FACP, FACC; Chief Editor: Mikhael F El-Chami, MD  more...
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Pharmacologic provocation with epinephrine or isoproterenol helps in diagnosing LQTS in patients with a borderline presentation. It may also provide information regarding the type of mutation present.

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