Diagnosis of myocardial infarction without obstructive coronary artery disease etiologies

CAD: coronary artery disease; INOCA: ischemia without obstructive coronary artery disease; IVUS: intravascular ultrasound; LV: left ventricular; MI: myocardial infarction; MRI: magnetic resonance imaging; OCT: optical coherence tomography; SCAD: spontaneous coronary artery dissection.