The ACH testing was considered positive at a vasoconstriction of 75% relative to the diameter after intracoronary nitroglycerine when the initially reported symptoms could be reproduced.

• 当最初的症状可以被再引发时，ACH试验中如果血管收缩达硝酸甘油介入试验后直径的75%25可认为是阳性。