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.
Sample selection. CRT, cardiac resynchronization therapy; CRT-D, CRT defibrillator; CRT-P, CRT pacemaker; DX ICD, single-lead ICD with atrial sensing capability and no atrial pacing capability; ICD, implantable cardioverter-defibrillator; PM, pacemaker.
