Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Electrocardiographic findings in our patient with long-QT syndrome type 2 during treatment with a beta-blocker and an implantable cardioverter-defibrillator. A standard 12-lead electrocardiogram shows an atrial paced rhythm with a QTc-interval of 440 ms.
