Evaluating an AI Tool for Detecting Thyrotoxic States

Inclusion Criteria: * Adults aged 22 years or older, regardless of sex. * Individuals who are newly diagnosed with Graves' disease or currently undergoing treatment for it. * Individuals who have received sufficient explanation about the investigational software and are able to use it appropriately. * Individuals who voluntarily agree to participate in the study and have signed informed consent, either directly or via a legally authorized representative. Exclusion Criteria: * Individuals with cardiac conditions such as arrhythmia or heart failure. * Individuals taking medications that significantly affect heart rate, including antiarrhythmics or antihistamines. (Intermittent short-acting beta-blockers are allowed.) * Pregnant or breastfeeding individuals, or those planning pregnancy during the study period or not using appropriate contraception. * Individuals with significant comorbidities that interfere with follow-up or study compliance. * Individuals with severe psychiatric disorders, substance use disorder, or alcohol dependence. * Individuals deemed ineligible at the discretion of the investigator for safety or ethical concerns.