Table 2. Proposed anatomical classification of Vieussens’ arterial ring.
ICA = isolated conus artery, LAD = left anterior descending artery
| Origin | |||
| I (conus branch) | II (ICA) | ||
| Segment of LAD | A (Proximal) | IA | IIA |
| B (Medial) | IB | IIB | |
| C (Distal) | IC | IIC | |
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.