Academic literature on the topic 'Chest electrodes'

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Journal articles on the topic "Chest electrodes"

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Duverger, James Elber, Victor Bellemin, Geordi-Gabriel Renaud Dumoulin, et al. "Respiratory Monitoring with Textile Inductive Electrodes in Driving Applications: Effect of Electrode’s Positioning and Form Factor on Signal Quality." Sensors 25, no. 7 (2025): 2035. https://doi.org/10.3390/s25072035.

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This paper provides insights into where and how to integrate textile inductive electrodes into a car to record optimal-quality respiratory signals. Electrodes of various shapes and sizes were integrated into the seat belt and the seat back of a driving simulator car seat. The electrodes covered various parts of the body: upper back, middle back, lower back, chest, and waist. Three subjects completed driving circuits with their breathing signals being recorded. In general, signal quality while driving versus sitting still was similar, compared to a previous study of ours with no body movements.
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Clopton, Edwin, and Eira Kristiina Hyrkäs. "Assessing the Accuracy of ECG Chest Electrode Placement by EMS and Clinical Personnel Using Two Evaluation Methods." International Journal of Paramedicine, no. 6 (April 3, 2024): 29–47. http://dx.doi.org/10.56068/jgdq2473.

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Background and purpose: A valid 12-lead electrocardiogram (ECG) depends on correct acquisition technique, particularly on the accurate location of precordial (chest) electrodes. The emergency medical services (EMS) segment of the care continuum is under-represented in previous clinically oriented studies of electrode placement. This study sought to assess the accuracy of chest electrode placement by EMS and clinical personnel in one geographic area, to identify patterns of misplacement to inform future training and continuing education, and to compare two methods of assessing electrode placeme
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Gregory, Pete, Tim Kilner, Stephen Lodge, and Suzy Paget. "Accuracy of ECG chest electrode placements by paramedics: an observational study." British Paramedic Journal 6, no. 1 (2021): 8–14. http://dx.doi.org/10.29045/14784726.2021.6.6.1.8.

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Background: The use of the 12-lead electrocardiogram (ECG) is common in sophisticated pre-hospital emergency medical services but its value depends upon accurate placement of the ECG electrodes. Several studies have shown widespread variation in the placement of chest electrodes by other health professionals but no studies have addressed the accuracy of paramedics. The main objective of this study was to ascertain the accuracy of the chest lead placements by registered paramedics.Methods: Registered paramedics who attended the Emergency Services Show in Birmingham in September 2018 were invite
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Beck, J., C. Sinderby, J. Weinberg, and A. Grassino. "Effects of muscle-to-electrode distance on the human diaphragm electromyogram." Journal of Applied Physiology 79, no. 3 (1995): 975–85. http://dx.doi.org/10.1152/jappl.1995.79.3.975.

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It has been suggested that esophageal recordings of the diaphragm electromyogram (EMGdi) are influenced by changes in chest wall configuration. Whether the changes are of physiological or artifactual origin is unclear. For example, the distance between the esophageal electrode and the diaphragm is likely to alter with chest wall configuration and may lead to misinterpretations of EMGdi. The aims of this study were 1) to evaluate and quantify the effect of the muscle-to-electrode (ME) distance filter on EMGdi, as obtained with a multiple-array esophageal electrode, 2) to take advantage of the M
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Gregory, Pete, Stephen Lodge, Suzy Paget, and Tim Kilner. "01 Accuracy of ECG chest lead placements by paramedics." Emergency Medicine Journal 36, no. 10 (2019): e2.1-e2. http://dx.doi.org/10.1136/emermed-2019-999abs.1.

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BackgroundThe use of the 12-lead ECG is common in UK paramedic practice but its value depends upon accurate placement of the ECG-electrodes. Several studies have shown widespread variation in the placement of chest electrodes by other health professionals but no studies have addressed the accuracy of paramedics. The main objective of this study was to ascertain the accuracy of the chest lead placements by registered paramedics.MethodsRegistered paramedics who attended the Emergency Services Show in Birmingham in September 2018 were invited to participate in this observational study. Participan
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Bickel, Karen, Thorsten Lewalter, Johannes Fischer, et al. "Value of Mini Electrodes for Mapping Myocardial Arrhythmogenic Substrate—The Influence of Tip-to-Tissue Angulation and Irrigation Flow on Signal Quality." Journal of Vascular Diseases 1, no. 1 (2022): 3–12. http://dx.doi.org/10.3390/jvd1010002.

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Background: The use of mini electrodes with a small surface and narrow electrode-to-electrode spacing is believed to lead to a higher electrical resolution. Until now, the effects of tip-to-tissue contact, angulation, and irrigation on signal quality and morphology are unknown. Methods: The beating heart of an open-chest pig was examined while controlling the angulation and contact between the catheter tip and myocardial tissue, as well as the irrigation of the catheter tip. The mini electrodes were mounted onto commercially available 8 mm non-irrigated and 4 mm irrigated tip catheters. Differ
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Aleksanyan, Grayr, Artyom Kucher, and Andrey Katsupeev. "Development of the method for determining electrode location and placement on the patient’s body in the EIT." BIO Web of Conferences 84 (2024): 03003. http://dx.doi.org/10.1051/bioconf/20248403003.

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The work is devoted to method for determining electrode location and placement on the human body in the EIT. A diagram of the human thoracic cavity is presented, which highlights three areas that can be used for EIT examination. A different variant of the electrode systems is proposed, consisting of different quantity of electrode belts that cover the chest cavity surface area. The variant with two belts allows diagnostics in a larger area of the lungs and realizing a three-dimensional reconstruction. The options for applying electrodes given in various studies are presented. The requirements
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Sinderby, C., S. Friberg, N. Comtois, and A. Grassino. "Chest wall muscle cross talk in canine costal diaphragm electromyogram." Journal of Applied Physiology 81, no. 5 (1996): 2312–27. http://dx.doi.org/10.1152/jappl.1996.81.5.2312.

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Sinderby, C., S. Friberg, N. Comtois, and A. Grassino.Chest wall muscle cross talk in the canine costal diaphragm electromyogram. J. Appl. Physiol.81(5): 2312–2327, 1996.—The present paper describes the influence of cross talk from the abdominal and intercostal muscles on the canine diaphragm electromyogram (EMG). The diaphragm EMG was recorded with bipolar surface electrodes placed on the costal portion of the diaphragm (abdominal side), aligned in the fiber direction, and positioned in a region with a relatively low density of motor end plates. The results indicated that cross talk may occur
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Rjoob, Khaled, Raymond Bond, Dewar Finlay, et al. "Reliable Deep Learning–Based Detection of Misplaced Chest Electrodes During Electrocardiogram Recording: Algorithm Development and Validation." JMIR Medical Informatics 9, no. 4 (2021): e25347. http://dx.doi.org/10.2196/25347.

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Background A 12-lead electrocardiogram (ECG) is the most commonly used method to diagnose patients with cardiovascular diseases. However, there are a number of possible misinterpretations of the ECG that can be caused by several different factors, such as the misplacement of chest electrodes. Objective The aim of this study is to build advanced algorithms to detect precordial (chest) electrode misplacement. Methods In this study, we used traditional machine learning (ML) and deep learning (DL) to autodetect the misplacement of electrodes V1 and V2 using features from the resultant ECG. The alg
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Sanjo, Kiyoto, Kazuki Hebiguchi, Cheng Tang, et al. "Sensitivity of Electrocardiogram on Electrode-Pair Locations for Wearable Devices: Computational Analysis of Amplitude and Waveform Distortion." Biosensors 14, no. 3 (2024): 153. http://dx.doi.org/10.3390/bios14030153.

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An electrocardiogram (ECG) is used to observe the electrical activity of the heart via electrodes on the body surface. Recently, an ECG with fewer electrodes, such as a bipolar ECG in which two electrodes are attached to the chest, has been employed as wearable devices. However, the effect of different geometrical factors and electrode-pair locations on the amplitude and waveform of ECG signals remains unclear. In this study, we computationally evaluated the effects of body morphology, heart size and orientation, and electrode misalignment on ECG signals for 48 scenarios using 35 bipolar elect
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Dissertations / Theses on the topic "Chest electrodes"

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Beck, Jennifer 1968. "Effects of chest wall configuration and electrode positioning on human diaphragmatic EMG." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22536.

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The measurement and analysis of the human diaphragm electromyogram (EMGdi), as obtained with an esophageal electrode, requires objective control of the disturbances and filtering effects which can influence the signal. One issue of importance is that an increase in the muscle-to-electrode distance (MEdist) acts as a low-pass filter, filtering out the high frequency components of the EMG power spectrum (the MEdist filter). Due to the numerous factors which can influence the EMGdi, control of signal quality is also of utmost importance. The aims of this study were: (1) to evaluate the effect of
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Book chapters on the topic "Chest electrodes"

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Seppä, V.-P., J. Viik, A. Naveed, J. Väisänen, and J. Hyttinen. "Signal waveform agreement between spirometer and impedance pneumography of six chest band electrode configurations." In IFMBE Proceedings. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03885-3_191.

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Houghton, Andrew R., and David Gray. "Electrocardiography." In Oxford Textbook of Medicine. Oxford University Press, 2010. http://dx.doi.org/10.1093/med/9780199204854.003.160301_update_002.

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The ECG has been recognized as a valuable diagnostic tool since the end of the 19th century. The normal ECG waveform consists of P, QRS, and T waves (and sometimes U waves)—P waves result from atrial depolarization, QRS complexes from ventricular depolarization, and T waves from ventricular repolarization. The standard 12-lead ECG utilizes 4 limb electrodes and 6 precordial electrodes to generate 12 leads or ‘views’ of the heart’s electrical activity. There are six limb leads (termed I, II, III, aVR, aVL, and aVF) and six precordial leads (termed V1, V2, V3, V4, V5, and V6). Supplementary ‘vie
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Houghton, Andrew R., and David Gray. "Electrocardiography." In Oxford Textbook of Medicine, edited by Jeremy Dwight. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198746690.003.0342.

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The electrocardiograph (ECG) has been recognized as a valuable diagnostic tool since the end of the 19th century. The normal ECG waveform consists of P, QRS, and T waves (and sometimes U waves)—P waves result from atrial depolarization, QRS complexes from ventricular depolarization, and T waves from ventricular repolarization. The standard 12-lead ECG utilizes four limb electrodes and six precordial electrodes to generate 12 leads or ‘views’ of the heart’s electrical activity. There are six limb leads (termed I, II, III, aVR, aVL, and aVF) and six precordial leads (termed V1, V2, V3, V4, V5, a
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Debost, Michel. "Focus." In The Simple Flute. Oxford University PressNew York, NY, 2002. http://dx.doi.org/10.1093/oso/9780195145212.003.0031.

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Abstract I remember my childhood days when I started the flute. I loved to blow into it and the sound it made, but, however much I tried, I was always short of breath. It still happens sometimes. Then, teaching young players, I realized that the problem was not so much taking air in as managing its focus while blowing. The purpose of inhaling is to produce sound. “Play well (blow well) and you will breathe well.” The other way around is not always true. What is the use of breathing if the air is not focused and managed efficiently? I have seen many articles, even books, about breathing and its
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Schijvenaars Bob J.A., Kors Jan A., van Herpen Gerard, and van Bemmel Jan H. "Employment of Intra-Individual Variability to Improve Computerized ECG Interpretation." In Studies in Health Technology and Informatics. IOS Press, 2001. https://doi.org/10.3233/978-1-60750-928-8-513.

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One of the reasons for the limited practical utility of computer programs for interpretation of electrocardiograms (ECGs) is their susceptibility to intraindividual variability. Two of the most prominent sources of intra-individual variability in ECGs, electrode placement variations and respiration, were studied for their effects on computerized ECG interpretation. Previous research has shown that the effects of intra-individual variability on computerized ECG interpretation depend largely on the individual ECG. To enable the assessment of chest electrode position variations for individual sta
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Fink MD, Max. "The Treatment Technique." In Electroconvulsive Therapy. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195365740.003.0007.

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The decision to recommend ECT is difficult, much like the decision for a surgical operation. A physician seeking the source of the patient’s symptoms goes through an intellectual process similar to that of a detective solving a mystery. The doctor listens to the patient’s story, finding some conditions to be likely and others not. Physical signs of illness are sought, and tests and special examinations that narrow the probability to a specific illness are considered. When the doctor is able to put the history, symptoms, signs, and test results together, a diagnosis is offered: a solution to th
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Cappato, Riccardo. "Restoration of sinus rhythm: direct current cardioversion." In ESC CardioMed. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0504.

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First introduced in 1962, electrical cardioversion represents an effective and safe therapy to restore sinus rhythm in patients with atrial fibrillation (AF). Consistent with the original description by Lown, cardioversion is obtained through a ‘brief high-energy capacitor-stored electric shock … discharged across the intact chest of the lightly anesthetized patient’, electronically programmed to fall outside of the ‘vulnerable period’ of ventricular repolarization. Procedures performed according to the original description differed very little from those performed today, although a most remar
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Zangwill, Andrew. "Introduction." In A Mind Over Matter. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198869108.003.0001.

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This chapter provides an overview of Anderson’s career and contrasts his speciality, the physics of the very many (solid-state physics), with the areas of physics that tend to appear in popular media—the physics of the very small (particle physics) and the physics of the very distant (astrophysics and cosmology). It compares Anderson’s physics skills to those of a chess grandmaster. The number of pieces (atoms and electrons) is so large that merely knowing the microscopic rules of the game is not enough to gain real understanding. There is a focus on the big ideas Anderson brought to the table
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Conference papers on the topic "Chest electrodes"

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Simonnet, Mathieu, Bernard Gourvennec, and Romain Billot. "Connected Heart Rate Sensors to Monitor Sleep Quality: Electrodes, Chest Belt and Smartwatch Users Acceptability." In 2016 IEEE First International Conference on Connected Health: Applications, Systems and Engineering Technologies (CHASE). IEEE, 2016. http://dx.doi.org/10.1109/chase.2016.38.

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"Optimizing Electrode Positioning in 3-lead ECG Chest Devices." In 2nd International Living Usability Lab Workshop on AAL Latest Solutions, Trends and Applications. SciTePress - Science and and Technology Publications, 2012. http://dx.doi.org/10.5220/0003885800810088.

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Mann, Aysha J., Bahram Kakavand, Peshala Thibbotuwawa Gamage, and Amirtahà Taebi. "Effect of Measurement Location on Cardiac Time Intervals Estimated by Seismocardiography." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-112702.

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Abstract Cardiac time intervals (CTIs) are important parameters for assessing cardiac function and can be measured using non-invasive methods such as electrocardiography (ECG) and seismo-cardiography (SCG). It is widely accepted that SCG signals, when measured from various locations on the chest surface, exhibit distinct temporal and spectral characteristics. In that regard, the goal of this study was to determine the effect of the SCG measurement location on estimating SCG-based CTIs. For this purpose, ECG, SCG,and phonocardiography (PCG) signals wereacquired from fourteen healthy adult subje
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Hu, Shan, and Xun Yu. "Non-Intrusive ECG Measurement on Vehicle Steering Wheel and Driver Seat." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192963.

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Driver drowsiness is one of the major causes of deadly traffic accidents. Continuous monitoring of drivers’ drowsiness thus is of great importance for preventing drowsiness-caused accidents. Previous psychophysiological studies have shown that heart rate variability (HRV) has established differences between waking and sleep stages [1, 2]. This offers a way to detect driver’s drowsiness by analyzing HRV, which is typically measured and analyzed from electrocardiogram (ECG) signal. Although ECG measurement techniques are well developed, most of them involve electrode contacts on chest or head. W
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Kordenat, K., and J. Leasure. "PROTECTIVE EFFECT OF CARNITINE (ST-261, SIGMA-TAU) IN ACUTE MYOCARDIAL INFARCTION IN DOGS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643012.

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Limitation of infarct size (IS), using ST-261, was evaluated in a group (I) of eight dogs, during acute MI. Another group (II) served as the control group. The protocol for both groups was the same except that each dog in the treated group was ST-261 as a single bolus (25 mg/kg, in 20ml normal saline), before inducing an occluding thrombus in the mid-LAD, using a closed-chest model, under x-ray visualization. Percentages of total (gms) myocardium at jeopardy (TMJW) and myocardial necrosis (TMNW), delineated by fluoroscein and TTC dyes, respectively, were calculated and compared to the total ve
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Van de Water, A., R. Xhonneux, and F. De Clerck. "ANTI-THROMBOTIC EFFECT IN CANINE CORONARY ARTERIES OF A COMBINED TXA2 synthetase/TXA2-prostaglandin ENDOPEROXIDE RECEPTOR INHIBITOR (R 68070)." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643463.

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The effects of R 68070 an oxime-alkane carboxylic acid derivative combining specific thromboxane A2 (TXA2) synthetase inhibition with TXA2/prostaglandin endoperoxide receptor blockade in one molecule, on thrombus formation in a coronary artery following electrically-induced endothelial injury and on its myocardial repercussions were examined in dogs. In an open-chest model in anaesthetized dogs, a stainless steel electrode was inserted into the left anterior descending coronary artery (LAD) distally (+ 1 cm) from an electromagnetic flow probe. ECG and heart rate were derived from limb leads. S
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Ungureanu, Florina, Tiberius Dumitriu, Vasile ion Manta, and Corina Cimpanu. "COGNITIVE LOAD AND SHORT TERM MEMORY EVALUATION BASED ON EEG TECHNIQUES." In eLSE 2017. Carol I National Defence University Publishing House, 2017. http://dx.doi.org/10.12753/2066-026x-17-116.

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The performance of learning process (standard system, e-learning or in a virtual environment) is associated with cognitive load and memory working activity. Working memory (or short-term memory) is the ability to hold multiple pieces of information in mind as you solve a problem. An example of short-term memory is a chess master who can explore several possible solutions mentally before choosing the one that will lead to checkmate. This ability to hold information temporarily to complete a task is specifically human. It causes frontal and pre-frontal lobe regions of the brain to become very ac
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