Clinical Research Directory

Inclusion Criteria: 1. Age ≥18 years old. 2. Stable coronary artery disease patients with a coronary CTA stenosis degree of 30% to 90%. 3. Sign informed consent. Exclusion Criteria: 1. Patients diagnosed with acute coronary syndrome. 2. Patients diagnosed with hypertrophic cardiomyopathy. 3. Patients diagnosed with dilated cardiomyopathy. 4. Patients with complex arrhythmias, such as frequent atrial premature beats, ventricular premature beats, and complete bundle branch block. 5. Patients with a left ventricular ejection fraction less than 50%. 6. Patients with chronic obstructive pulmonary disease, heart failure, kidney failure, or other serious diseases. 7. Pregnant women. 8. Patients with an allergy to contrast agents. 9. The study subjects who have metal grafts that interfere with magnetic cardiogram examination. 10. The study subjects who are unable to cooperate with magnetocardiogram examination and CTA. 11. Patients who have undergone coronary artery bypass grafting. 12. There are significant artifacts present in coronary CTA.