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Approaches for the assessment of Endothelial dysfunction: Intracoronary Acetylcholine/Glyceryl Trinitrate (IC ACH/GTN) is given via the intracoronary route and vasomotion can be measured angiographically.
| Invasive Approach | Non-Invasive Approach |
|---|---|
| Vasomotion following IC ACH/GTN Cold Pressor Testing |
Doppler ECHO Stress PET CMR Brachial Reactivity |
| More Risk More Expensive |
Limited Availability Operator Dependence/Variability |
