MCG for Localization of Tachyarrhythmia's Origin

Exclusion Criteria

• •Those with known structural heart disease such as cardiomyopathy and valvular disease;
• •Those with history of other cardiovascular diseases such as pulmonary embolism and aortic dissection;
• •Those with connective tissue diseases (lupus erythematosus, rheumatoid arthritis, dermatomyositis, polyarteritis nodosa, etc.) combined with cardiac complications;
• •Those with obvious abnormal thyroid function, severe anemia or other blood diseases and other diseases that obviously affect the circulating blood supply;
• •Those with Obese (BMI\>30kg/cm2) or underweight (BMI\<18kg/cm2);
• •Those with malignant tumors;
• •Professional athletes, pregnant or breastfeeding women, alcoholics;
• •Those with acute diseases or critical illnesses in other systems, such as acute or severe respiratory diseases, abnormal liver function or renal function, etc.;
• •Those with infectious diseases or communicable diseases;
• •Those who are unable or fail to perform magnetocardiography due to claustrophobia, physical impairment, etc.;
• •Unable to or fail to cooperate with the corresponding research requirements.