Detection of coronary vasospasm
| Test parameters | Invasive approach | Noninvasive approach | 
|---|---|---|
| Operating theater | Catheterization laboratory | Echocardiography laboratory | 
| Stress test | Intracoronary acetylcholine | Hyperventilation + exercise | 
| Main biomarker | Coronary vasoconstriction | RWMA | 
| Ancillary biomarker | IMR | CFV | 
| Radiation exposure | 15 mSv (750 chest X-rays) | Absent | 
| Iodine contrast material | 50 mL | Absent | 
| Intracoronary catheter | Present, perturbs coronary tone | Absent | 
| X-rays effect on endothelium | Present, may alter function | Absent | 
| Large scale experience | Present | Missing | 
mSv: milli Sievert (radiation dose)
ADD: Writing—original draft, Conceptualization. SD: Writing—original draft, Visualization. NB and VG: Writing—review & editing.
The authors declare that they have no conflicts of interest.
Not applicable.
Not applicable.
Not applicable.
Not applicable.
Not applicable.
© The Author(s) 2024.