Design of a gel-less two-electrode ECG monitor

Richard, Émile; Chan, Adrian D. C.

doi:10.1109/memea.2010.5480198

Cited by 31 publications

(16 citation statements)

References 23 publications

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“…The medical device monitors the heart rate activity of an individual while exercising. The person's electrocardiogram (ECG) signals are measured using grip-style dry electrode sensors [40] mounted on the handlebars of the treadmill. The captured ECG data is then used to find the person's heart rate.…”

Section: Heart Rate Monitormentioning

confidence: 99%

Hardware-Based Run-Time Code Integrity in Embedded Devices

2018

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Attacks on embedded devices are becoming more and more prevalent, primarily due to the extensively increasing plethora of software vulnerabilities. One of the most dangerous types of these attacks targets application code at run-time. Techniques to detect such attacks typically rely on software due to the ease of implementation and integration. However, these techniques are still vulnerable to the same attacks due to their software nature. In this work, we present a novel hardware-assisted run-time code integrity checking technique where we aim to detect if executable code resident in memory is modified at run-time by an adversary. Specifically, a hardware monitor is designed and attached to the device's main memory system. The monitor creates page-based signatures (hashes) of the code running on the system at compile-time and stores them in a secure database. It then checks for the integrity of the code pages at run-time by regenerating the page-based hashes (with data segments zeroed out) and comparing them to the legitimate hashes. The goal is for any modification to the binary of a user-level or kernel-level process that is resident in memory to cause a comparison failure and lead to a kernel interrupt which allows the affected application to halt safely.

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Section: Heart Rate Monitormentioning

confidence: 99%

Hardware-Based Run-Time Code Integrity in Embedded Devices

2018

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“…A number of techniques have been suggested previously for allowing ECG recordings using only two electrodes, simplifying the equipment set up by requiring just two body contacts. [10] used very high common mode rejection electronics, [11], [12] a DC servo loop for preventing saturation, [13] an active virtual ground, and [14] a common mode follower and a.c. bias approach. We make use of the topology introduced in [10] in 1980, as it requires only 3 active components, intrinsically minimising power consumption as our primary objective.…”

Section: A Ecg Front-endmentioning

confidence: 99%

Energy efficient heart rate sensing using a painted electrode ECG wearable

Krachunov

Beach

Casson

et al. 2017

2017 Global Internet of Things Summit (GIoTS)

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Many countries are facing burdens on their health care systems due to ageing populations. A promising strategy to address the problem is to allow selected people to remain in their homes and be monitored using recent advances in wearable devices, saving in-hospital resources. With respect to heart monitoring, wearable devices to date have principally used optical techniques by shining light through the skin. However, these techniques are severely hampered by motion artifacts and are limited to heart rate detection. Further, these optical devices consume a large amount of power in order to receive a sufficient signal, resulting in the need for frequent battery recharging. To address these shortcomings we present a new wrist ECG wearable that is similar to the clinical approach for heart monitoring. Our device weighs less than 30 g, and is ultra low power, extending the battery lifetime to over a month to make the device more appropriate for in-home health care applications. The device uses two electrodes activated by the user to measure the voltage across the wrists. The electrodes are made from a flexible ink and can be painted on to the device casing, making it adaptable for different shapes and users. In this paper we show how the ECG sensor can be integrated into an existing IoT wearable and compare the device's accuracy against other common commercial devices.

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“…INA121 with a two-input voltage buffer as driving Right Leg (RL) circuit provided differential gain = 1000 from 0.05 Hz–100 Hz and common-mode gain = 0.06 at power-line frequency (50 Hz) that results in CMRR = 86 dB [111]. Analog devices ICs AD620 [113] and AD623 [114] were used for ECG signal acquisition and monitoring.…”

Section: Designing Of External Cardiac Loop Recordermentioning

confidence: 99%

An Engineering Perspective of External Cardiac Loop Recorder: A Systematic Review

Srinivasulu

Sriraam

2016

Journal of Medical Engineering

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External cardiac loop recorder (ELR) is a kind of ECG monitoring system that records cardiac activities of a subject continuously for a long time. When the heart palpitations are not the frequent and nonspecific character, it is difficult to diagnose the disease. In such a case, ELR is used for long-term monitoring of heart signal of the patient. But the cost of ELR is very high. Therefore, it is not prominently available in developing countries like India. Since the design of ELR includes the ECG electrodes, instrumentation amplifier, analog to digital converter, and signal processing unit, a comparative review of each part of the ELR is presented in this paper in order to design a cost effective, low power, and compact kind of ELR. This review will also give different choices available for selecting and designing each part of the ELR system. Finally, the review will suggest the better choice for designing a cost effective external cardiac loop recorder that helps to make it available even for rural people in India.

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Design of a gel-less two-electrode ECG monitor

Cited by 31 publications

References 23 publications

Hardware-Based Run-Time Code Integrity in Embedded Devices

Hardware-Based Run-Time Code Integrity in Embedded Devices

Energy efficient heart rate sensing using a painted electrode ECG wearable

An Engineering Perspective of External Cardiac Loop Recorder: A Systematic Review

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