Figure 2.
Single‐channel ECG recordings from ICU monitor. A, shows paroxysmal Phase 4 block triggered by a PVC. B, shows idiopathic paroxysmal AV block occurring without any obvious trigger
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.