International Journal on Science and Technology

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Volume 17 Issue 1
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Design and Development of a Wrist-Based ECG Monitoring System for Continuous Cardiac Health Assessment

Author(s) Ms. Sushma Mahendra Pingale, Dr. Ch Rajasekhar
Country India
Abstract Cardiovascular diseases (CVDs) are one of the leading causes of mortality worldwide, highlighting the need for continuous and real-time cardiac monitoring systems. This paper presents the design and development of a low-cost, wearable IoT-based wrist electrocardiogram (ECG) monitoring system for continuous cardiac health assessment. The proposed system integrates an AD8232 ECG sensor for signal acquisition and an ESP32 microcontroller for signal processing and wireless communication. The acquired ECG signals are processed and transmitted to a cloud-based platform using Wi-Fi, enabling real-time remote monitoring and analysis. The system was experimentally evaluated on 40 participants, including both healthy individuals and cardiac patients, under resting and stress conditions. The results demonstrate that the system successfully captures ECG waveforms with identifiable P-wave, QRS complex, and T-wave components. The proposed system achieved an accuracy of 92% for healthy subjects and 88% for cardiac patients, along with a data transmission success rate of 95%, indicating reliable performance. The wrist-based design enhances user comfort and portability compared to conventional chest-based ECG systems, making it suitable for long-term wearable applications. Although challenges such as motion artifacts and signal variability exist, the proposed system demonstrates significant potential for telemedicine and remote healthcare applications.
Keywords Electrocardiogram, Internet of Things (IoT), AD8232, ESP32, Healthcare
Field Engineering
Published In Volume 17, Issue 1, January-March 2026
Published On 2026-03-29
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