Comparison of a Torso-Based Derived 6-Lead Electrocardiogram (ECG) Device With Standard 12-Lead Electrocardiogram (ECG) in Healthy Volunteers

This study aims to compare electrocardiographic interval measurements obtained from a torso-placed six-lead electrocardiogram (ECG) device (torso-derived ECG; T-ECG) with those obtained from a standard 12-lead electrocardiogram (ECG) in healthy adult volunteers. The torso-derived device synthesizes limb-lead signals using electrodes positioned on the thorax, potentially allowing for faster and more practical ECG acquisition in emergency department settings, operating rooms, and prehospital environments. A total of 24 participants undergo both standard 12-lead ECG recording and torso-derived 6-lead ECG recording during the same study session. Heart rate (HR), PR interval, QRS duration, QT interval, and corrected QT (QTc) values are analyzed using Bland-Altman agreement analysis and correlation testing. The study also evaluates whether anthropometric characteristics-including body mass index (BMI)-influence the compatibility and agreement between the two measurement systems.