Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2018 Apr 13;15(6):4771–4776. doi: 10.3892/etm.2018.6070

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright: © Zhang et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

PMC Copyright notice

Figure 1. — Coronary angiography negative (A-B) and positive images (C-D). (A) The left coronary artery (LCA). (B) The right coronary artery (RCA). (C) Insignificant stenosis is shown at corresponding segment (red arrow) on coronary angiography. (D) Provoked severe stenosis is revealed at same site (red arrow) on coronary angiography after intracoronary administration of ergonovine.