Understanding Chest Pain From Small Heart Blood Vessel Problems

This research study is investigating chest pain that occurs without obvious blockages in the heart's main arteries—a condition that affects many people and is often poorly understood. Researchers will use specialized heart imaging tests to identify what's actually causing the chest pain: either problems with the tiny blood vessels in the heart muscle, or spasms in the larger arteries. By accurately identifying which type of problem you have, doctors hope to recommend better treatments tailored to your specific condition.

Many patients experience real chest pain, but standard heart tests show no blockages in the main arteries, leading to confusion, repeated tests, and treatments that may not help. This study exists to develop better ways to diagnose and classify these heart problems so doctors can offer more effective, personalized treatment that improves quality of life.