Imaging Coronary Microvascular Dysfunction (CMD) Study

PET imaging visit, which will take approximately 1-2 hours.

A coronary CT angiogram if the participant has not had one recently.

"A subset of patients with abnormal results on cardiac PET myocardial perfusion imaging study (estimated number of patients = 12) will be invited to participate in an invasive sub-study wherein they would undergo detailed invasive coronary physiology evaluation.~Functional Angiography (coronary reactivity test- CRT): is an angiography procedure done in the catheterization laboratory. It evaluates the coronary artery microcirculation and how the blood vessels respond to different medications."

A treadmill exercise stress study