Clinical Research Directory

Inclusion Criteria: * A patient with symptoms such as chest pain suggestive of coronary artery disease, who underwent routine evaluations including blood tests, electrocardiogram, chest X-ray, and echocardiography * Low to Intermediate risk of pretest probabilities of obstructive CAD * Voluntarily agreed to participate in this clinical trial and signed the written consent form Exclusion Criteria: * Acute chest pain (in patients who have not been ruled out for ACS) * Previously diagnosed and treated coronary artery disease (myocardial infarction, PCI, CABG) * Patients with a life expectancy of less than 2 years due to conditions other than heart disease * Those who have not consented to the protocol * Participated in a drug or medical device clinical trial within the last 3 months * Pregnant or lactating women * Allergic to iodine preparations * Serum creatine level greater than 1.5 mg/dL or eGFR less than 30 mL/min * Baseline irregular and uncontrolled heart rhythm * Heart rate greater than 100 beats/minute * Systolic blood pressure of 90 mm Hg or less * Contraindications to beta blockers or nitroglycerin * Patients with complex congenital heart disease * Body mass index greater than or equal to 35