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.
Baseline electrocardiography (ECG) done at presentation to hospital showing pre-excitation characteristic of antegrade conduction through atrioventricular (AV) node and the accessory pathway. Note the short PR interval and slurred upstroke of QRS complex
