Results 31 to 40 of about 542 (154)

Premature Contractions: Are They Caused by Maternal Standing? [PDF]

open access: yes, 2017
In 33 out of 51 women studied in late gestation, the uterus was found to phasically compress the pelvic vessels and impede the venous blood flow during quiet standing.
Huch, A., Huch, R., Schneider, K.T.M.
core  

Dark Current in Broadband Perovskite–Organic Heterojunction Photodetectors Controlled by Interfacial Energy Band Offset

open access: yesAdvanced Materials, Volume 36, Issue 33, August 15, 2024.
Here, perovskite–organic heterojunction (POH) broadband photodetectors with ultra‐low noise current of 2 × 10−14 A Hz−1/2 and a high specific detectivity of 4.7 × 1012 Jones in the NIR is shown. The underlaying physical properties of the POH devices and their application as NIR pulse oximeters with high‐accuracy heartbeat monitoring at long‐distance of
Davide Nodari   +11 more
wiley   +1 more source

Exploring approaches to pulp vitality assessment: A scoping review of nontraditional methods

open access: yesInternational Endodontic Journal, Volume 57, Issue 8, Page 1065-1098, August 2024.
Abstract Introduction Diagnostic procedures for pulp vitality assessment are a crucial aspect of routine dental practice. This review aims to provide a comprehensive overview of nontraditional techniques and methodologies for assessing pulp vitality, specifically exploring promising approaches that are currently not used in dental practice. Methods The
Farzaneh Afkhami   +5 more
wiley   +1 more source

Method and apparatus for obtaining cardiovascular information by measuring between two extremities [PDF]

open access: yes, 2014
European Patent ApplicationIn this patent of invention there are described a method and an apparatus for obtaining information on the cardiovascular system beat by beat and continuously which are based exclusively on measurements between two limbs and ...
Casanella Alonso, Ramón   +2 more
core   +1 more source

Recent Developments and Future Directions of Wearable Skin Biosignal Sensors

open access: yesAdvanced Sensor Research, Volume 3, Issue 2, February 2024.
The convergence of wearable biosignal sensors and machine learning paves the way for significant advancements in healthcare, enabling early medical diagnosis and personalized health monitoring. This review article provides an overview of recent transformative advancements in wearable biosignal sensors powered by machine learning, focusing on four ...
Dohyung Kim, JinKi Min, Seung Hwan Ko
wiley   +1 more source

Quantitative Evaluation of Pain during Electrocutaneous Stimulation using a Log-Linearized Peripheral Arterial Viscoelastic Model [PDF]

open access: yes, 2018
In clinical practice, subjective pain evaluations, e.g., the visual analogue scale and the numeric rating scale, are generally employed, but these are limited in terms of their ability to detect inaccurate reports, and are unsuitable for use in ...
Hirano, Harutoyo   +11 more
core   +2 more sources

Novel algorithms for cardiovascular parameters' estimation for long term monitoring systems [PDF]

open access: yes, 2009
University of Technology, Sydney. Faculty of Engineering and Information Technology.In daily life every person needs continuous monitoring of temperature, heart rate, oxygen saturation level, blood pressure parameters and other parameters to have some ...
Al-Jaafreh, M
core  

An Epistemological Concern

open access: yes
Acta Anaesthesiologica Scandinavica, Volume 70, Issue 1, January 2026.
Søren Søndergaard
wiley   +1 more source

Signal Quality Classification of Impedance Plethysmogram and Ballistocardiogram for Pulse Transit Time Measurement

open access: yesWSEAS TRANSACTIONS ON BIOLOGY AND BIOMEDICINE
Mobile health (mHealth) was developed ten years ago, which used wireless wearable devices to collect the many physiological messages in daily life, regardless of time and place, for some health services including monitoring chronic diseases and reducing the cost of empowering patients and families for handling their daily healthcare.
Shing-Hong Liu   +4 more
openaire   +1 more source

A Novel Measurement System to Simultaneously Obtain Three Impedance Plethysmograms and One Electrocardiogram Using Only Four Dry Electrodes

open access: yesIEEE Transactions on Instrumentation and Measurement
Objectius de Desenvolupament Sostenible::3 - Salut i ...
Hernández Urrea, Marc   +2 more
openaire   +2 more sources

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