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.
A: sinusal rhythm. B: frequent ventricular ectopic beats (VEB) (*), often in bigeminism. C: episodes of non-sustained ventricular tachy-cardia (VT). The longest one consists of 13 polymorphic beats. D: brady-cardia due to atrio-ventricular block of second degree with the Wenckebach's phenomenon: progressive prolongation of PR interval and then a P wave (*) is not conducted to the ventricule.
