Validation Study of CART BP as a Wearable Cuffless Blood Pressure Monitor

Inclusion Criteria: * Subjects aged 18 years or older but younger than 80 years * Individuals who voluntarily decide to participate in this clinical trial and provide written consent to the information and consent form * Individuals willing to comply with the clinical trial protocol Exclusion Criteria: * Subjects who do not consent to the study * Obese individuals with a Body Mass Index (BMI) of 30 or higher (concerns about measurement errors as the standard 24-hour ambulatory blood pressure monitor cuff may not fit the arm properly) * Patients or volunteers who are pregnant * Patients or volunteers with underlying heart diseases: those with a history of hospitalization for heart failure, valvular disease, or myocardial infarction * Patients or volunteers diagnosed with atrial fibrillation on a 12-lead electrocardiogram (ECG) within the past 6 months * Patients or volunteers with end-stage renal disease (undergoing dialysis) * Patients or volunteers unable to perform repeated exercises required for the study * Patients or volunteers with a systolic blood pressure (SBP) exceeding 160 millimeters of mercury (mmHg) * Patients or volunteers with a systolic blood pressure (SBP) exceeding 160 millimeters of mercury (mmHg) and/or a diastolic blood pressure (DBP) exceeding 100 millimeters of mercury (mmHg) (for exercise tests)