Heart Rate - Science topic

Virtual reality (VR) allows to embody avatars. Coined the Proteus effect, an avatar's visual appearance can influence users' behavior and perception. Recent work suggests that athletic avatars decrease perceptual and physiological responses during VR exercise. However , such effects can fail to occur when users do not experience avatar ownership an...

Accurate stress detection from physiological signals is often complicated by individual identity traits, which must first be identified before they can be effectively removed to improve model performance. To address this, we propose a method that combines Detrended Fluctuation Analysis (DFA) and Augmented Dickey-Fuller (ADF) Analysis to extract sta...

In this study, I aimed to estimate the cardiac output (Q), stroke volume (SV), and arteriovenous oxygen difference (a-vDO2) during submaximal and maximal exercise using oxygen uptake (VO2), heart rate (HR), and hemoglobin concentration (Hb) during exercise. This study was based on 1) Whipp et al. (1996), who found that maximal stroke volume (SVmax)...

As the core element of soccer training, the reasonable regulation of sports load has an important impact on the training effect and game performance of athletes. In the article, Player Load, TRIMP, maximal oxygen uptake, average heart rate, and exercise intensity were selected as the measurement indexes for the calculation of college soccer trainin...

Introduction Many people fail to meet physical activity guidelines. One possible solution is wearable technology. Yet it is unclear if popular devices such as the Apple Watch can accurately measure intensity, which is a cornerstone of physical activity guidelines. We developed a bespoke Apple Watch app based on the use of relative intensity (%HRR),...

Background The diagnostic power of exercise stress electrocardiography (ExECG) remains limited. We aimed to construct an artificial intelligence (AI)-based method to enhance ExECG performance to identify patients with significant coronary artery disease (CAD). Methods We retrospectively collected 818 patients who underwent both ExECG and coronary...

Este trabalho de conclusão de curso aborda o desenvolvimento de uma solução baseada em Internet das Coisas (IoT) com o objetivo de aprimorar o bem-estar e a assistência prestada a pessoas idosas. Com o envelhecimento populacional em curso, surge a necessidade de sistemas tecnológicos inovadores para melhorar a qualidade de vida dos idosos e auxilia...

The integration of deep learning in cardiac health monitoring has significantly enhanced the ability to predict survivability in cardiac arrest patients. Deep neural networks, particularly convolutional neural networks (CNNs), recurrent neural networks (RNNs), and transformer-based models, have shown potential in processing heart rate variability (...

Background The final event in modern pentathlon, the laser run, determines the final ranking, and it is not known whether the athletes’ heart rates (HRs) and success rates during the shooting in the laser run are affected by environmental conditions. Although heart rate (HR) affects shooting performance, exercise-induced muscle fatigue accompanying...

The increasing reliance on deep learning models for cardiac arrest survivability predictions introduces the need for transparency regarding their limitations. Disclaimers play a metapragmatic role in shaping user expectations, ensuring ethical usage, and clarifying the uncertainties inherent in AI-driven healthcare applications. This paper explores...

Background Endurance exercise intensities can be categorized into moderate, heavy, and severe domains based on physiological responses during incremental exercise testing. Since the evaluation of metabolic thresholds is not always possible, this study assessed the accuracy of fixed intensity anchors to estimate lactate thresholds. Methods 165 (64...

Heart rate monitoring is a vital aspect of maintaining heart health. People from different age groups have different ranges for maximum and minimum values of heart rate, the monitoring system must be compatible enough to tackle this scenario. In this paper, an IoT based system has been implemented that can monitor the heartbeat from the output give...

The present study explored the correlation between adolescent emotional regulation and cardiac-interoceptive accuracy. This study consisted of 30 high school students aged 14 to 18 who were given two questionnaires. The Introductory Questionnaire (IQ) assessed background and demographic information to contextualize the study’s later findings. The E...

The existing risk sores for ST-elevation myocardial infarction (STEMI) patients cannot balance timeliness, feasibility, and accuracy. This study aimed to develop and validate a two-stage scoring system capable of dynamic evaluation for 30-day mortality among STEMI patients. We recruited 3939 patients and randomly assigned (7:3) to derivation (N = 2...

Background: A resting heart rate (RHR) is a guideline-recommended therapeutic target for all patients with heart failure with reduced ejection fraction (HFrEF), with reductions to 60 bpm linked to improved outcomes. Conversely, elevated RHR is associated with increased mortality in HFrEF. However, sex-specific differences in mortality, particularly...

In view of current situation the COVID-19 has become ubiquitous in every corner of the world. Every individual need to be cautious to overcome the spread of the COVID-19. It has become necessary to predict the COVID symptoms in order to allow the people at the public places and the entrances. The early symptoms of COVID-19 is high body temperature...

Background Self-compassion is associated with emotional well-being, yet its benefits in generalized anxiety disorder (GAD) patients remain unclear. This study investigated the impact of self-compassion on emotional and physiological stress responses in individuals diagnosed with GAD. Methods Seventy-seven GAD patients were categorized into high (n...

The integration of artificial intelligence (AI) with Internet of Things (IoT)-enabled wearable devices has transformed cancer patient care by enabling real-time health monitoring, early detection of complications, and personalized treatment strategies. AI-driven wearable devices continuously collect and analyze physiological data such as heart rate...

Somatosensory evoked potentials are commonly utilized during surgery to assess the function of the central nervous system. We present a case of a 48-year-old female patient undergoing cerebral bypass surgery who was noted to have reproducible, stimulation frequency-dependent heart rate changes that coincided with somatosensory evoked potentials sti...

We propose a classification method for distinguishing atrial fibrillation from sinus rhythm in pulse-wave measurements obtained with a blood pressure monitor. This method combines recurrence-based plots with convolutional neural networks. Moreover, we devised a novel plot, with which our classification achieved specificity of 97.5%, sensitivity of...

Purpose: The purpose of the study was to find out the effect of eight weeks of swimming training on selected physiological variables among Intercollegiate cross-country runners. Samples: Twenty intercollegiate men cross country runners of Andhra University and its affiliated colleges were chosen as subjects. Their age ranged from 18 to 22 years. Va...

Background Incorporation of heart rate, flow rate, and PaO2/FIO2 (PF) ratio to ROX index has been postulated to better predict high-flow nasal cannula (HFNC) usage outcomes in post-extubation setting. Therefore, we aimed to compare ROX index with new modified indices to predict HFNC outcomes in the post-extubation setting. Methods This single-cent...

Objective This investigation compares the effects of two exercise prescriptions with equal energy consumption but different exercise intensity-determination methods on cardiopulmonary endurance in a population with metabolic syndrome (MetS). This investigation verified the effectiveness of individualized methods in patients with MetS undergoing mod...

Background This study explores the effects of acute resistance exercise (RE) on inhibitory control (IC), emphasizing exercise volume. Methods In total, 78 young adults were randomly assigned to one of three groups: the moderate-intensity group [MI; 60% one repetition maximum (1RM), 3 × 10 reps], the low-intensity group (LI; 30% 1RM, 3 × 20 reps),...

Introduction The pulmonary oxygen uptake is reduced during apnea, compared to eupneic baseline, preserving the pulmonary oxygen store. This study elucidates the time course for this reduction, comparing it to the time course for apnea-induced cardiovascular responses. Methods and results Experiments involved two groups, performing apneas during re...

Background/Objectives: Audio and audiovisual distraction can be effective additive tools to reduce anxiety and pain in patients receiving outpatient procedures (OP). Audiovisual distraction tools already showed positive effects on pain perception in some urological procedures. To identify the effects of audio and audiovisual distraction on pain and...

Objective Patients with uncontrolled epilepsy are at high risk for sudden unexpected death in epilepsy (SUDEP), which likely results from a pathological, seizure‐induced disruption of vital physiological systems. The objective of this study was to characterize seizure‐induced physiological dysfunction leading to death in SSKcnj16−/− rats and determ...

Heart rate is a physiological signal that provides information about an individual's health and affective state. Remote photoplethysmography (rPPG) allows the estimation of this signal from video recordings of a person's face. Classical rPPG methods make use of signal processing techniques, while recent rPPG methods utilize deep learning networks....

Antecedent exercise interventions reduce stereotypy in children with autism spectrum disorder (ASD). Neely et al. (Behav Modif 39(1):98–116, 2015. 10.1177/0145445514552891) found a moderate-to-large effect of exercise on stereotypy and academic engagement; however, exercise intensity was only indirectly assessed using behavioral indicators of satia...

Rationale How caffeine (CAF) intake and warm-up music combination affect male taekwondo athletes’ performance during simulated combat is yet unstudied. Objective This study examined the potential synergistic effects of low dose of CAF and warm-up music on subsequent taekwondo combat outcomes. Methods In a double-blinded, randomized, crossover stu...

Background/Objectives: Foam rolling is a new and emergent recovery tool in sports. The aim of this study seeks to compare the acute effects of foam rolling and passive rest on recovery markers in CrossFit athletes following a high-intensity workout. Methods: A quasi-experimental crossover study design was completed with 14 amateur CrossFit athletes...

Heart rate (HR) monitoring is crucial for assessing physical fitness, cardiovascular health, and stress management. Millimeter-wave radar offers a promising noncontact solution for long-term monitoring. However, accurate HR estimation remains challenging in low signal-tonoise ratio (SNR) conditions. To deal with both respiration harmonics and inter...

Reliable system design is an important component to ensure data processing speed, service availability, and an improved user experience. Several studies have been conducted to provide data processing speeds for health monitors using clouds or edge devices. However, if the system design used cannot handle many requests, the reliability of the monito...

Limited exercise tolerance and dyspnea in patients with uncomplicated hypertension may pose a diagnostic challenge, particularly when blood pressure is normal and assessment results do not support a diagnosis of heart failure. The purpose of this study was to assess the differences in central blood pressure (cBP) response to exercise between female...

Perioperative tachyarrhythmias are common in children undergoing cardiac surgery, contributing to significant mortality and morbidity. Landiolol, an ultrashort-acting beta-blocker, offers selective heart rate (HR) control in pediatric patients with tachycardia during cardiac surgery. The LANDI-cardioPed study assessed landiolol's safety and efficac...

Background: Research on energy expenditure related to life and professional activity allows us to determine a person’s energy. This study determined the value of daily energy expenditure related to the implementation of service and training tasks of crews of ships in the Polish Navy and officers of the Maritime Department of the Border Guard. Mater...

Objectives: Heart failure is associated with frequent hospital admissions and high mortality. Digital medical technologies could help to improve information exchange between healthcare providers and patients to prevent recurrent cardiac decompensation. Methods: Eligible patients aged between 18 and 85 (mean age 65 ± 12; 35.4% female) with symptomat...

A target heart rate of 55–60 beats per minute is a goal for propranolol in both primary and secondary prophylaxis of variceal hemorrhage (VH). However, dose adjustments are often needed based on baseline heart rates. This study analyzed the effect of heart rate reduction from baseline with propranolol therapy on VH in patients with cirrhosis. A ret...

Event-based visual odometry has recently gained attention for its high accuracy and real-time performance in fast-motion systems. Unlike traditional synchronous estimators that rely on constant-frequency (zero-order) triggers, event-based visual odometry can actively accumulate information to generate temporally high-order estimation triggers. Howe...

Arterial stiffness, a risk factor for cardiovascular disease, can be measured using pulse wave velocity (PWV) and augmentation index (AIx). We studied sex-specific associations between carotid-femoral PWV (cfPWV), brachial-ankle PWV (baPWV), aortic PWV (aoPWV), aortic (aoAIx), and brachial (baAIx) AIx with echocardiographic parameters. Data of 1150...

Background: The introduction of laryngoscopy and tracheal intubation has ushered in a new era in the field of anaesthesiology, resulting in improved safety by providing more control over airway management and breathing during anaesthesia procedures. To evaluate the efficacy of nebulized lignocaine against intravenous lignocaine in attenuating the h...

Objetivo: Apresentar os efeitos do treinamento de força na modulação autonômica cardíaca em pacientes desnutridos. Métodos: Foram incluídos nesta revisão integrativa estudos com diversas metodologias indexados nas bases de dados Pubmed, Scielo e SCOPUS publicados entre 2014 e 2024, sem restrição de idioma. Resultados: Foram encontrados 7 estudos qu...

Postural orthostatic tachycardia syndrome (PoTS) is a clinically significant condition affecting numerous patients across the UK. This article aims to enhance understanding and management strategies for registered nurses by exploring its pathophysiology, clinical presentations, diagnostic processes and treatment protocols. PoTS, characterised by an...

Aim The effects of using handheld devices in combination with filtering and delaying alarms were investigated. Effects on the number of alarms, patient safety, and nurses' experience were evaluated. Methods Alarm and physiological trend data were collected over two periods of three months for a control ( n = 54) and intervention ( n = 47) group. D...

Many patients with major depressive disorder (MDD) feel worse in the morning than in the evening. To clarify the differences in morning physiological characteristics between patients with MDD and healthy participants, a wearable device that measures peripheral wrist skin temperature and heart rate (HR) was adopted. The device incorporates a thermop...

Retrospective analysis of 245 consecutive cardiac CTA cases before and after transition from a 128-slice single-source CT scanner (SSCT, Definition AS+, temporal resolution 150ms, detector width 38.4mm) to a 128-slice dual-source CT scanner (DSCT, Pro.Pulse, 86ms, 38.4mm). A total of 113 patients (33f/80m, mean age 66.0 years) were examined using t...

This paper advances in the understanding of motivation in terms of flow in groups from a physiological perspective. We use wearable devices to monitor the heart rate variation during a set of sessions of face-to-face STEAM project-based learning. By using Action Research with mixed-methods design, we observed a set of 28 students in real-world sett...

Introduction Distress detection in virtual reality systems offers a wealth of opportunities to improve user experiences and enhance therapeutic practices by catering to individual physiological and emotional states. Methods This study evaluates the performance of two wearable devices, the Empatica E4 wristband and the Faros 360, in detecting distr...

Metro drivers are more likely to trigger accidents if they suffer from cognitive distractions during manual driving. However, identifying metro drivers’ cognitive distractions faces challenges as generally no obvious behavior can be found during the distractions. To address the challenge, this paper identifies metro drivers’ cognitive distractions...

The implementation of noncontact vital sign monitoring in real-world scenarios is still facing a number of challenges, including the need to deal with multitarget scenarios, optimal measurement location, and precise cardiac activity monitoring. This article examines the potential of different body locations for vital signs monitoring and uses a mor...

Background Proprioceptive accuracy is an important aspect of motor functioning thus understanding how the stress response affects it can broaden our knowledge about the effects of stress on motor performance. There has been published only one quasi-experimental study on this topic to date, reporting a negative association between stress and proprio...

Introduction: Long-term exercise induces physiological adaptations that differ between aerobic and anaerobic training, affecting heart rate responses requiring further exploration. Objective: This Study compares the heart rate responses of individuals who specialized in aerobic or anaerobic training when subjected to the same physical activity tria...

Children with psychosocial, developmental or physical impairments benefit from equine-assisted therapy (EAT) in multiple ways. However, to date, the animal perspective of such interventions has received comparatively less scientific dedication. Thus, heart rate (HR) and heart rate variability (HRV) of seven therapy horses that lived in an open stab...

The aim of this study is to investigate the effects of crown closure seasonal changes in broad-leaved forests on the thermal comfort and the human responses. The participants were a total of 146 male and female university students. The participants sat in a chair and rested in forests with a high and low crown closure, and then closed their eyes an...

This study aimed to compare the time of onset, duration of action, and effects of subcutaneous lidocaine alone and lidocaine-tramadol combination on physiological parameters (pulse rate, respiratory rate, and rectal temperature) in goats undergoing an invasive surgical procedure. Sixteen (N=16) adult Red Sokoto goats weighing 20-26kg were used in t...

Alpha oscillations are associated with various cognitive functions. However, the determinants of alpha power variation remain ambiguous, primarily due to its inconsistent associations with autonomic responses and subjective states under different experimental conditions. To thoroughly examine the correlations between alpha power variation and these...

Gender differences in interoceptive awareness—awareness of internal bodily signals such as heartbeat perception—have been suggested, with some findings indicating behaviourally reduced but subjectively enhanced awareness in women, though these findings are still contentious. This study aimed to comprehensively examine gender differences in three as...

Inertia-based resistance exercise with flywheels leads to strong acute metabolic responses. However, the metabolic kinetics during a multi-set flywheel squat protocol with increasing loads remains unknown. The aim of the study was to assess the course of blood lactate concentrations (BLC), oxygen uptake (VO 2 ), heart rate (HR) and power during a m...

Filistin konulu filatelik tasarımları odağına alan bu çalışmanın amacı Türkiye Cumhuriyeti tarafından 2013 ve 2024 yıllarında yayınlanan Filistin başlıklı filatelik tasarımlar hakkında değerlendirmede bulunulmaktır. Nitel araştırma yaklaşımına göre oluşturulan bu çalışmanın verilerine doküman incelemesi ile erişilmiştir. Durum Çalışması üzerinden o...

Facial video-based Blood Volume Pulse (BVP) signal extraction technology has demonstrated significant potential in remote health monitoring. However, most current methods are susceptible to interference from lighting changes and have limited generalization ability in dynamic or complex environments. This paper proposes a dual-channel path data conc...

This research aims to explore the influence of binaural audio technology on the audience's level of immersion in horror films. The background to this research is based on the development of increasingly sophisticated audio technology and its potential to improve the film watching experience. The aim of this research is to measure how much influence...

Background Mannitol has been proven effective in treating cerebral oedema, owing to its osmotic diuretic effect. However, its potential to transiently increase plasma volume raises uncertainties about its impact on dogs with mitral avalve insufficiency. Objectives This study aimed to investigate the effects of mannitol on haemodynamics and cardiac...

Geriatri merupakan salah satu kelompok rentan yang membutuhkan monitoring yang intensif untuk meningkatkan kualitas hidup dari kelompok geriatri itu sendiri. Implementasi kecerdasan buatan (AI) memberikan kemudahan bagi pengguna maupun kelompok geriatri. Di dalam penelitian ini dibangun sistem monitoring bagi kelompok geriatri berbasis parameter sa...

Ushbu maqolada aholi pul daromadlari va xarajatlarining statistik tahlili oʻrganilgan. Tadqiqot natijasida aholi daromadlari va xarajatlarining tarkibiy tuzilishi, ularning oʻzgarish tendensiyalari hamda bu koʻrsatkichlarga taʼsir etuvchi omillar aniqlangan. Tahlil asosida tegishli xulosalar va amaliy tavsiyalar ishlab chiqilgan.

Studies of the phenomenology of the effect of synchronization of heart rate fluctuations in a person at rest with variations of the geomagnetic field in the range of 3–40 min periods have been continued. During 2012–2023, 508 experiments (lasting 100–120 min each) were conducted to monitor minute heart rate indicators in three practically healthy w...

Falls among elderly individuals pose a serious risk, potentially leading to injuries or death. This study presents a real-time fall detection device integrated with the Internet of Things (IoT) to notify caregivers promptly. The device employs the MPU6050 sensor for movement and orientation detection, and the MAX30100 sensor for monitoring heart ra...

Purpose : This study aimed to examine middle-distance runners’ acute physiological and biomechanical responses to 2 maximal aerobic speed tests: an intermittent test (5 × 1 min test ) and a continuous test (University of Montreal Track Test [UM-TT]). Methods : Twenty trained male middle-distance runners completed the UM-TT and 5 × 1 min test on sep...

We tested the hypothesis that due to well recognized thermoregulatory impairments, resulting in greater thermal strain, adults with well healed burn injuries will have heightened cardiovascular responses to exercise in the heat. Adults with burn injuries covering 20–40% body surface area (n = 10), > 40% body surface area (n = 11), and non-burned co...

Listening engagement has received increasing attention for its role in effective communication and knowledge transfer. It encompasses a state of deep listening in which a person not only pays attention to a stimulus but is fully absorbed in it. Behavioral measures have been used to assess listening engagement; however, they have limitations and do...

Robotic rehabilitation systems typically rely on kinematic data to assess exercise execution, focusing on pose accuracy without evaluating the physical impact on the patient. This paper explores the integration of physiological monitoring into an automated planning system for robot-aided rehabilitation. Specifically, we assess whether Heart Rate (H...

Çalışmanın amacı 8 Mart Dünya Kadınlar Günü konulu filatelik damgaları tespit etmek ve tespit edilen damga temsillerini değerlendirmeye çalışmaktır. Çalışmada nitel araştırma yöntemlerinden doküman analizi kullanılmıştır. Çalışma kapsamındaki dokümanlara www.pulhane.com aracılığıyla erişilmiştir. Bunun için farklı başlıklar altında sınıflandırılan...

In rehabilitation settings, accurate monitoring of physiological parameters is critical for tailoring therapeutic interventions and ensuring patient safety. This paper introduces ViSCOPE, a contactless vital sign estimation pipeline, and its integration into a robotic rehabilitation platform, aimed at providing non-invasive monitoring of heart rate...

This research introduces a methodical strategy for integrating a remote patient monitoring (RPM) system based on Hyperledger Fabric blockchain framework. This integration is crucial, as ensuring the secure storage of patient health data aligns with one of the fundamental capabilities of blockchain technology. Furthermore, blockchain technology prov...

OBJECTIVE: Studies on the use of helmet noninvasive ventilation (NIV) to prevent postextubation respiratory failure in high-risk patients are limited compared with other types of NIV. Only one randomized controlled trial (RCT) has reported that patients may have high helmet NIV intolerance. This study aimed to determine the prevalence of helmet NIV...

Models of interoception, the processing of internal bodily signals, highlight infancy as a key period for interoceptive learning. Given the potential importance of this developmental period, there has been increasing focus on the measurement of cardiac interoceptive accuracy in infancy. In this paper, we argue that that despite progress in this are...

This study analyzed the relationship between time spent on daily physical activity at different intensities (light, moderate, and vigorous) and learning strategies in adolescents. The sample included 147 Spanish adolescents (62% girls, 13.61 ± 1.95 years). Learning strategies were assessed using the Motivated Strategies for Learning Questionnaire (...