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Wearable recording devices

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https://www.readbyqxmd.com/read/28227893/wearable-embroidered-muscle-activity-sensing-device-for-the-human-upper-leg
#1
R B Ribas Manero, A Shafti, B Michael, J Grewal, J Ll Ribas Fernandez, K Althoefer, M J Howard, R B Ribas Manero, A Shafti, B Michael, J Grewal, J Ll Ribas Fernandez, K Althoefer, M J Howard, K Althoefer, B Michael, A Shafti, J Ll Ribas Fernandez, J Grewal, M J Howard
Within the last decade, running has become one of the most popular physical activities in the world. Although the benefits of running are numerous, there is a risk of Running Related Injuries (RRIs) of the lower extremities. Electromyography (EMG) techniques have previously been used to study causes of RRIs, but the complexity of this technology limits its use to a laboratory setting. As running is primarily an outdoors activity, this lack of technology acts as a barrier to the study of RRIs in natural environments...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227628/a-wearable-bluetooth-le-sensor-for-patient-monitoring-during-mri-scans
#2
Christian Vogt, Jonas Reber, Daniel Waltisberg, Lars Buthe, Josip Marjanovic, Niko Munzenrieder, Klaas P Pruessmann, Gerhard Troster, Christian Vogt, Jonas Reber, Daniel Waltisberg, Lars Buthe, Josip Marjanovic, Niko Munzenrieder, Klaas P Pruessmann, Gerhard Troster, Josip Marjanovic, Klaas P Pruessmann, Niko Munzenrieder, Christian Vogt, Lars Buthe, Gerhard Troster, Jonas Reber, Daniel Waltisberg
This paper presents a working prototype of a wearable patient monitoring device capable of recording the heart rate, blood oxygen saturation, surface temperature and humidity during an magnetic resonance imaging (MRI) experiment. The measured values are transmitted via Bluetooth low energy (LE) and displayed in real time on a smartphone on the outside of the MRI room. During 7 MRI image acquisitions of at least 1 min and a total duration of 25 min no Bluetooth data packets were lost. The raw measurements of the light intensity for the photoplethysmogram based heart rate measurement shows an increased noise floor by 50LSB (least significant bit) during the MRI operation, whereas the temperature and humidity readings are unaffected...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227481/identi-wheez-a-device-for-in-home-diagnosis-of-asthma
#3
Guy Satat, Krithika Ramchander, Ramesh Raskar, Guy Satat, Krithika Ramchander, Ramesh Raskar, Guy Satat, Ramesh Raskar, Krithika Ramchander
Asthma is the most common chronic illness among children. The skills required to diagnose it make it an even greater concern. In this work, we present a child-friendly wearable device, which allows in-home diagnosis of asthma. The device acquires simultaneous measurements from multiple stethoscopes. The recordings are then sent to a specialist who uses assistive diagnosis algorithms that enable auscultation (listening to lung sounds with a stethoscope) at any location in the lungs volume by sound refocusing...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227279/comparing-wearable-devices-with-wet-and-textile-electrodes-for-activity-recognition
#4
Namita Lokare, Laura Gonzalez, Edgar Lobaton, Namita Lokare, Laura Gonzalez, Edgar Lobaton
This paper explores the idea of identifying activities from muscle activation which is captured by wearable ECG recording devices that use wet and textile electrodes. Most of the devices available today filter out the high frequency components to retain only the signal related to an ECG. We explain how the high frequency components that correspond to muscle activation can be extracted from the recorded signal and can be used to identify activities. We notice that is possible to obtain good performance for both the wet and dry electrodes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227260/automated-detection-of-atrial-fibrillation-episode-using-novel-heart-rate-variability-features
#5
Mehrin Gilani, J Mikael Eklund, Masoud Makrehchi, Mehrin Gilani, J Mikael Eklund, Masoud Makrehchi, J Mikael Eklund, Masoud Makrehchi, Mehrin Gilani
Atrial fibrillation (AF) is one of the most common life-threatening arrhythmia affecting around six million adults in the US. Typical detection of AF requires tedious and manual analysis of ECG which can often delay medical intervention. With the advent of wearable devices that can accurately record the time interval between two heartbeats (RR interval), automated and timely detection of AF is now possible. In this paper, we engineer novel heart rate variability features based on linear and non-linear dynamics of RR intervals...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227245/monitoring-and-detecting-atrial-fibrillation-using-wearable-technology
#6
Shamim Nemati, Mohammad M Ghassemi, Vaidehi Ambai, Nino Isakadze, Oleksiy Levantsevych, Amit Shah, Gari D Clifford, Shamim Nemati, Mohammad M Ghassemi, Vaidehi Ambai, Nino Isakadze, Oleksiy Levantsevych, Amit Shah, Gari D Clifford, Mohammad M Ghassemi, Shamim Nemati, Nino Isakadze, Vaidehi Ambai, Oleksiy Levantsevych, Amit Shah, Gari D Clifford
Atrial fibrillation (AFib) is diagnosed by analysis of the morphological and rhythmic properties of the electrocardiogram. It was recently shown that accurate detection of AFib is possible using beat-to-beat interval variations. This raises the question of whether AFib detection can be performed using a pulsatile waveform such as the Photoplethysmogram (PPG). The recent explosion in use of recreational and professional ambulatory wrist-based pulse monitoring devices means that an accurate pulse-based AFib screening algorithm would enable large scale screening for silent or undiagnosed AFib, a significant risk factor for multiple diseases...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226884/analysis-of-comfort-and-ergonomics-for-clinical-work-environments
#7
Ali Shafti, Beatriz Urbistondo Lazpita, Oussama Elhage, Helge A Wurdemann, Kaspar Althoefer, Ali Shafti, Beatriz Urbistondo Lazpita, Oussama Elhage, Helge A Wurdemann, Kaspar Althoefer, Helge A Wurdemann, Beatriz Urbistondo Lazpita, Kaspar Althoefer, Ali Shafti, Oussama Elhage
Work related musculoskeletal disorders (WMSD) are a serious risk to workers' health in any work environment, and especially in clinical work places. These disorders are typically the result of prolonged exposure to non-ergonomic postures and the resulting discomfort in the workplace. Thus a continuous assessment of comfort and ergonomics is necessary. There are different techniques available to make such assessments, such as self-reports on perceived discomfort and observational scoring models based on the posture's relevant joint angles...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226573/a-preliminary-study-on-multi-wavelength-ppg-based-pulse-transit-time-detection-for-cuffless-blood-pressure-measurement
#8
Jing Liu, Yuan-Ting Zhang, Xiao-Rong Ding, Wen-Xuan Dai, Ni Zhao, Jing Liu, Yuan-Ting Zhang, Xiao-Rong Ding, Wen-Xuan Dai, Ni Zhao, Wen-Xuan Dai, Yuan-Ting Zhang, Xiao-Rong Ding, Ni Zhao, Jing Liu
Pulse transit time (PTT) has been widely studied as an index of blood pressure (BP) changes. In recent years, some prototypes of PTT-based wearable BP measurement devices have been developed, which can relieve users from the discomfort caused by the inflating cuff used in auscultatory and oscillometric BP measurement techniques. However, in the common practice for PTT detection, multi-site sensor implementation on human body is required, making it difficult for the integration of wearable devices. Since multi-wavelength (MW) photoplethysmogram (PPG) signals carry blood pulsation information of different blood vessels embedded in different skin depths, the time difference between different wavelength PPG signals collected at the same body site can be treated as a special PTT on a short length of blood vessels beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28207670/feasibility-study-of-utilization-of-action-camera-gopro-hero-4-google-glass-and-panasonic-hx-a100-in-spine-surgery
#9
Chang Kyu Lee, Youngjun Kim, Nam Lee, Byeongwoo Kim, Doyoung Kim, Seong Yi
STUDY DESIGN: Study for feasibility of commercially available action cameras in recording video of spine. OBJECTIVE: Recent innovation of the wearable action camera with high-definition video recording enables surgeons to use camera in the operation at ease without high costs. The purpose of this study is to compare the feasibility, safety, and efficacy of commercially available action cameras in recording video of spine surgery. SUMMARY OF BACKGROUND DATA: There are early reports of medical professionals using Google Glass throughout the hospital, Panasonic HX-A100 action camera, and GoPro...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28196190/wearable-recording-devices-for-surgical-training
#10
George Shorten, Eugene Dempsey, Karthikeyan Kallidaikurichi Srinivasan
No abstract text is available yet for this article.
February 8, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28196185/wearable-recording-devices-for-surgical-training-reply
#11
H Randall Beard, Alejandro J Marquez-Lara, Kamran S Hamid
No abstract text is available yet for this article.
February 8, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28178288/monitoring-gait-in-multiple-sclerosis-with-novel-wearable-motion-sensors
#12
Yaejin Moon, Ryan S McGinnis, Kirsten Seagers, Robert W Motl, Nirav Sheth, John A Wright, Roozbeh Ghaffari, Jacob J Sosnoff
BACKGROUND: Mobility impairment is common in people with multiple sclerosis (PwMS) and there is a need to assess mobility in remote settings. Here, we apply a novel wireless, skin-mounted, and conformal inertial sensor (BioStampRC, MC10 Inc.) to examine gait characteristics of PwMS under controlled conditions. We determine the accuracy and precision of BioStampRC in measuring gait kinematics by comparing to contemporary research-grade measurement devices. METHODS: A total of 45 PwMS, who presented with diverse walking impairment (Mild MS = 15, Moderate MS = 15, Severe MS = 15), and 15 healthy control subjects participated in the study...
2017: PloS One
https://www.readbyqxmd.com/read/28138529/epidermal-mechano-acoustic-sensing-electronics-for-cardiovascular-diagnostics-and-human-machine-interfaces
#13
Yuhao Liu, James J S Norton, Raza Qazi, Zhanan Zou, Kaitlyn R Ammann, Hank Liu, Lingqing Yan, Phat L Tran, Kyung-In Jang, Jung Woo Lee, Douglas Zhang, Kristopher A Kilian, Sung Hee Jung, Timothy Bretl, Jianliang Xiao, Marvin J Slepian, Yonggang Huang, Jae-Woong Jeong, John A Rogers
Physiological mechano-acoustic signals, often with frequencies and intensities that are beyond those associated with the audible range, provide information of great clinical utility. Stethoscopes and digital accelerometers in conventional packages can capture some relevant data, but neither is suitable for use in a continuous, wearable mode, and both have shortcomings associated with mechanical transduction of signals through the skin. We report a soft, conformal class of device configured specifically for mechano-acoustic recording from the skin, capable of being used on nearly any part of the body, in forms that maximize detectable signals and allow for multimodal operation, such as electrophysiological recording...
November 2016: Science Advances
https://www.readbyqxmd.com/read/28129141/wearable-devices-for-sports-new-integrated-technologies-allow-coaches-physicians-and-trainers-to-better-understand-the-physical-demands-of-athletes-in-real-time
#14
Dhruv R Seshadri, Colin Drummond, John Craker, James R Rowbottom, James E Voos
Elite-level athletes and professional sports teams are continually searching for opportunities to improve athletic performance and gain a competitive advantage on the field. Advances in technology have provided new avenues to maximize player health and safety. Over the last decade, time?motion analysis systems, such as video recording and computer digitization, have been used to measure human locomotion and improve sports performance. While these techniques were state of the art at the time, their usefulness is inhibited by the questionable validity of the acquired data, the labor-intensive nature of collecting data with manual hand-notation techniques, and their inability to track athlete position, movement, displacement, and velocity...
January 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28117691/sisfall-a-fall-and-movement-dataset
#15
Angela Sucerquia, José David López, Jesús Francisco Vargas-Bonilla
Research on fall and movement detection with wearable devices has witnessed promising growth. However, there are few publicly available datasets, all recorded with smartphones, which are insufficient for testing new proposals due to their absence of objective population, lack of performed activities, and limited information. Here, we present a dataset of falls and activities of daily living (ADLs) acquired with a self-developed device composed of two types of accelerometer and one gyroscope. It consists of 19 ADLs and 15 fall types performed by 23 young adults, 15 ADL types performed by 14 healthy and independent participants over 62 years old, and data from one participant of 60 years old that performed all ADLs and falls...
January 20, 2017: Sensors
https://www.readbyqxmd.com/read/28113301/development-and-evaluation-of-a-wearable-device-for-sleep-quality-assessment
#16
Chin-En Kuo, Yi-Che Liu, Da-Wei Chang, Chung-Ping Young, Fu-Zen Shaw, Sheng-Fu Liang
OBJECTIVE: In this study, a wearable actigraphy recording device with low sampling rate (1 Hz) for power saving and data reduction and a high accuracy wake-sleep scoring method for the assessment of sleep were developed. METHODS: The developed actigraphy recorder was successfully applied to overnight recordings of 81 subjects with simultaneous PSG measurements. The total length of recording reached 639.8 hours. A wake-sleep scoring method based on the concept of movement density evaluation and adaptive windowing was proposed...
September 23, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28087552/screening-for-atrial-fibrillation-using-economical-and-accurate-technology-safety-a-pilot-study
#17
Mark Lown, Arthur Yue, George Lewith, Paul Little, Mike Moore
INTRODUCTION: Atrial fibrillation (AF) is a cause of stroke and a marker of atherosclerosis and of all patients with stroke, around 17% have AF. The screening and treatment of AF could prevent about 12% of all strokes. Several relatively low-cost devices with good accuracy now exist which can detect AF including WatchBP and AliveCor. However, they can only measure the ECG or pulse over short time periods. Inexpensive devices such as heart rate monitors, which are widely available, can measure heart rate for prolonged periods and may have potential in screening for AF...
January 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28081473/cortisol-extraction-through-human-skin-by-reverse-iontophoresis
#18
Stephanie A Ventura, Jason Heikenfeld, Tiffany Brooks, Leyla Esfandiari, Steven Boyce, Yoonjee Park, Gerald B Kasting
Continuous monitoring of cortisol at the surface of the skin would advance the diagnosis and treatment of cortisol-related diseases, or of elevated cortisol levels related to stress in otherwise healthy populations. Reliable and accurate detection of cortisol at the skin surface remains a limiting factor in real-time monitoring of cortisol. To address this limitation, cortisol extraction through excised human skin by reverse iontophoresis was studied in vitro in side-by-side diffusion cells using a radiolabeled probe...
April 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/28081144/digital-health-tracking-physiomes-and-activity-using-wearable-biosensors-reveals-useful-health-related-information
#19
Xiao Li, Jessilyn Dunn, Denis Salins, Gao Zhou, Wenyu Zhou, Sophia Miryam Schüssler-Fiorenza Rose, Dalia Perelman, Elizabeth Colbert, Ryan Runge, Shannon Rego, Ria Sonecha, Somalee Datta, Tracey McLaughlin, Michael P Snyder
A new wave of portable biosensors allows frequent measurement of health-related physiology. We investigated the use of these devices to monitor human physiological changes during various activities and their role in managing health and diagnosing and analyzing disease. By recording over 250,000 daily measurements for up to 43 individuals, we found personalized circadian differences in physiological parameters, replicating previous physiological findings. Interestingly, we found striking changes in particular environments, such as airline flights (decreased peripheral capillary oxygen saturation [SpO2] and increased radiation exposure)...
January 2017: PLoS Biology
https://www.readbyqxmd.com/read/28073798/effectiveness-of-a-lumbopelvic-monitor-and-feedback-device-to-change-postural-behaviour-a-protocol-for-the-elf-cluster-randomised-controlled-trial
#20
Daniel Cury Ribeiro, Stephan Milosavljevic, J Haxby Abbott
INTRODUCTION: Low back pain (LBP) is the most common, costly and disabling musculoskeletal disorder worldwide, and is prevalent in healthcare workers. Posture is a modifiable risk factor for LBP shown to reduce the prevalence of LBP. Our feasibility research suggests that postural feedback might help healthcare workers avoid hazardous postures. The Effectiveness of Lumbopelvic Feedback (ELF) trial will investigate the extent to which postural monitor and feedback (PMF) can reduce exposure to hazardous posture associated with LBP...
January 10, 2017: BMJ Open
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