Search all articles

Objectives: Aortic pulse wave velocity (PWV) is usually estimated by sequential (ECG referenced) carotid-femoral tonometry using the SphygmoCor system (Atcor, Australia). This can be technically challenging and operator dependant. Here we evaluate a simple, operator independent method of estimating central...

Figure 1AA and CCA pulse waveform measured during 6 heartbeats in 1 volunteer. Cardiac and arterial function is reflected in the distension (change in diameter) waveforms of central arteries. For analyses, commonly the distension waveform of the common carotid artery (CCA) is used, as the CCA is superficial...

The paper is about the improving the safety of telemedicine services that carry out the diagnosis of cardiovascular diseases on ECG. There are 2 deep learning methods (Multilayer Perceptron and Recurrent Neural Network), 14 machine learning methods (Naive Bayes classifier for multivariate Bernoulli models,...

Large artery stiffening is widely accepted as a determinant of ISH in the population with a predictive power of CV events has been shown to be beyond traditional risk scores. However, its clinical role in is still limited perhaps due to the lack of established reference values and methodological uniformity....

The paper is devoted to experimental justification of widespread application of individualization in choosing types and volumes of physical activity for physical education classes taking into account typological indicators. The purpose of the study was to improve the physical education of schoolchildren...

This study presents an efficient attention-based convolutional neural network (CNN) for ECG signal classification, tailored for embedded systems. The proposed model combines deep learning with attention mechanisms to enhance accuracy and interpretability. Quantization techniques, including default quantization...

Background: Finger-toe pathway could represent a good alternative to assess the arterial stiffness conveniently. The aim of this study is to evaluate the accuracy of the pOpmètre which measures finger-toe pulse wave velocity (ft-PWV). Methods: The pOpmètre® has 2 photodiodes sensors, positioned on the...

As the basis of emotional communication and social interaction, emotional perception is a good indicator for the development of individual social skills. In this paper, a dual-modal emotion perception evaluation method based on electrical skin signal (EDA) and electrocardiogram signal (ECG) is proposed...

ECG monitoring equipmentwill generate a huge mount of ECG signals, which causes enormous pressure on server storage and transmission. Therefore, many compression techniques are proposed to overcome this problem including some fractal based lossy ECG compression techniques. However, basic fractal based...

Maternal and fetus health surveillance is crucial in curbing pregnancy complications and maternal and fetal death though traditional hospital-based surveillance systems are periodic, resource-demanding, and demand physical presence making it to be slow in the early identification of critical health abnormalities,...

The study focuses on redox processes in the development of vascular complications in coronary heart disease. The data showed the formation of active oxygen radicals, inducing the process of lipid peroxidation. The development of oxidative stress occurred with a decrease in the activity of the antioxidant...

Objectives: To assess the prevalence of vitamin D deficiency and hyperparathyroidism as well as their relationship to blood pressure and arterial stiffness in hypertensive patients with stage 3 chronic kidney disease (CKD). Methods: Cross-sectional study that included 134 treated hypertensives (76 women,...

Introduction: Assessment of pulse wave velocity (PWV) is recognized as a marker of arterial stiffness within human medicine. Non-invasive evaluation of arterial structural changes in relation to atherosclerosis in porcine models of cardiovascular disease, would be valuable in longitudinal assessment...

Objectives: Baroreflex function was found to be impaired in schizophrenia and reduced baroreflex-sensitivity (BRS) was associated with increased mortality. Stiffening of the baroreceptor vessel wall, such as the carotid artery, may lead to reduced activation of the baroreceptors and blunt the baroreflex....

The Chinese civilization has been bursting with vitality and vigor in the process of dialogue with other cultures, especially with the Western classic Bible. The “best” translation of the supreme master of Christianity is one of the core issues in the process of translating the Bible into Chinese. In...

Introduction: It is estimated that currently 17 million deaths annually in the world occur due to cardiovascular disease (CV), about one third of all deaths. 9.4 million are related to arterial hypertension (HA). The use of methods that allow the early identification of structural and functional cardiovascular...

The systematic ML application focus in this research aims to compare supervised and unsupervised Ml techniques. Using supervised ML methods deep learning, ensemble models and even traditional statistical approaches like logisitic regression have been incorporated. Key datasets chosen, along with the...

In this paper, we combined the traditional ISTA approach with deep learning, transferred the application domain from image inverse problem to ECG inverse problem because of its excellent performance to propose a new ISTA-net method to solve the inverse problem of ECG. The proposed method has quick...

Cardiac evaluation at initial stages depends on precise handling of biological data. A method involving separate models appears here, examining PCG and ECG signals through distinct computational paths. Instead of merging information early, processing stays independent, allowing use even if only one signal...

Background: Coronary spasm cause transient LV dysfunction and consequently may increase BNP by chance. However, the correlation between coronary spasm and BNP has not been verified. We investigated the association between coronary spasm and BNP and pulse wave velocity (PWV) in patients with preserved...

Background: The cold pressor test (CPT) has been used to detect vasospastic angina, but its sensitivity for predicting vasospasm is low. The aim of this study was to determine if the estimation of coronary flow reserve capacity in the left anterior descending coronary artery using transthoracic Doppler...

To clarify the effect of chronic eco-toxicity with heavy metals on the state of the cardiovascular system of children, 120 schoolchildren of grades 1-8 living and studying in the Industrial district of the city of Vladikavkaz were examined, close to heavy metallurgy enterprises. The survey included the...

Background: The clinical significance of coronary Myocardial Bridge (MB) anatomical characteristics is controversial in the literature. It is not clear whether MB has a benign or malignant clinical outcome. Objectives: To investigate the possible relationship between MB characteristics (depth, length...

There are few data regarding the effect of aging on pressure asymptote (Pasymptote) and time constant (Tau) of exponential diastolic aortic pressure (AoP) decay in normal human heart. To investigate this issue, we analyzed high-fidelity AoP, measured by use of a catheter-tipped manometer in 71 normal...

The increasing prevalence of arrhythmia is a growing concern in heart rhythm disorders, posing a significant risk if not detected in time. The application of the K-Nearest Neighbor (KNN) algorithm enhances the classification of heart rhythms, enabling early arrhythmia detection in a more personalized...

Introduction: Comparison of Mobil-O-Graph® with SphygmoCor® exclusively in treatment- naïve hypertensives has never been done. Aims of the study were to assess 1) intra- device agreement between both methods, 2) inter-device agreement between two surface measurements of SC (subtracted distance (cfPWVsub))...

Humans experience three phases in life, namely birth, marriage, and death. Nativity symbolizes the beginning of life, the moment when a new human being begins to breathe the air of the world. It is an event that brings great joy to the family and community, a symbol of hope and the future. Marriage as...

Background: Both the Sphygmocor (S) and Vicorder (V) devices can be used for Pulse Wave Analysis (PWA) and Velocity (PWV). We investigated if there were differences in the associations between markers of Cardiovascular Disease (CVD) and PWA and PWV variables as assessed by the two devices. Methods:...

Physical activity has beneficial effects on prevention of cardiovascular disease. Aerobic fitness is associated with higher central arterial compliance, but its effect on peripheral arterial compliance (pC) is controversial. We aimed to test the hypotheses that aerobic training augments pC at rest and...

Background: We examined several measures of ventricular–vascular load as they relate to ECG-derived measures of left ventricular (LV) morphology in a cross-section of 19 young African American and 19 white men. Methods: Measures of steady and pulsatile LV load derived from aortic blood pressure waveforms...

The black swan event has the characteristics of rarity and serious consequences. At present, the analysis of black swan events is generally preconceived (that is, the event is assumed to be a black swan event, and then the influence of the event is discussed), or whether it is a black swan event is directly...

Obstructive Sleep Apnea (OSA) or breathing problems during sleep causes sudden death from heart failure during sleep. Because of the serious effects of OSA, early OSA detection is important. OSA detection can be developed using an electrocardiogram. In this article, OSA detection is designed using an...

There are various aspects of human life in the medical field about the heart such as the circulatory system of heart and heart rate machine with religiosity factor. This research aims to analyze the relationships among medical in the human body, circular system of heart, and religiosity of heart. Data...

Background: The heart ejects in the central elastic arteries. No previous study addressed the question whether ECG voltages are more closely associated with central than with peripheral blood pressure (BP). Methods: Using the oscillometric Mobil-O-Graph 24 h PWA monitor, we measured brachial, central...

Electrocardiography (ECG) is an important physiological signal that reflects the autonomic nervous system (ANS) activity. The correlation between ANS measures and sleepiness has been used to assess the drowsiness of a person from spectral analysis of heart rate variability (HRV). Power spectral analysis...

Background: Indonesia has more than 125 million workers, and Indonesian regulations ordered medical check-ups for all employees. Despite abundant workers’ health data in industries and health providers, national data is still limited. This study aimed to investigate the health profile of Indonesian workers. ...

In general, the heart cardio sound is used to predispose the heart's physical conditions. The review says that the idiosyncrasy extracted from heart helps in finding out the disorder that has occurred, and this idiosyncrasy is attained using ECG (electro cardio gram). This signal can be used in a better...

In order to accurately obtain the identification information, in the basis of various biometric identification technology comparative study , using a higher safety and reliability of ecg signal identification technology. This paper studies the method of ecg signal identification technology, first using...

The optimal management of hemodynamic disorders among critically ill patients requires an accurate assessment of hemodynamic status. Global End Diastolic Index (GEDI) is taken for a more reliable indicator of preload in critically ill patients than central venous pressure and doctors tend to arrange...

Due to sudden natural/man-made incidents, there are more and more health problems in the world. Another concrete example is COVID19 where hospitals are operating beyond capacity. Even doctors are not available on time. The other category includes people who are suffering from long time or urgent decease...

Human ECG signal is weak, the signal-to-noise ratio is small, the collected ECG signal amplification and filtering are often accompanied by interference, the interference from the body's own interference such as EMG interference, but also from outside interference such as 50Hz power frequency interference[2]....

Emotion recognition system (ERS) is a technology that enables machines to recognize human’s emotion. The machines use various modalities as input such as facial expression, voice intonation, gait, brain’s electroencephalogram (EEG) and heart’s electrocardiogram (ECG) to interpret human’s current state...

Background: Interleukin-6 (IL-6) was considered to be with the severity and mortality in COVID-19 patients, which implies a potential therapeutic target for treatment. We aimed to evaluate the safety and initial efficacy of Tocilizumab treatment for COVID-19 patients. Methods: In the retrospective study,...

Since the detection of electrocardiogram (ECG) is significant for monitoring the stress and diseases of Policeman and current methods for monitoring ECG in motion have drawback of low accuracy, a system for monitoring ECG signal is presented within this paper. The conductive silica gel is used as the...

Purpose: Delirium is a frequent occurrence amongst Intensive Care Unit (ICU) patients, but studies on its causes are sparse and its risk factors vary from disease to disease. Here, in this study, an attempt was made to investigate the factors associated with the prognosis of delirium in the ICU. Methods:...

This development research aims to develop Chinese digital teaching material for 10th-grade topic 个人 信息 [gèrén xìnxī] (self-introduction) based on flipbook. The research method in this development is the Research and Development (R & D) method using the DDD-E model. Following the development model...

The Programmed Cell Death 1 (PD-1)/Programmed Death Ligand 1 (PD-L1) Immune Checkpoint Inhibitors (ICIs), have become a hot spot in the field of cancer research and treatment, and bring new hope to patients with advanced tumors. But, in addition to enhancing the anti-tumor effect of T cells, PD-1/PD-L1...

The emergence and functions of biological amplifiers not only enrich the medical equipment market, but more importantly, it provides more treatment opportunities for patients and medical staff. Biological amplifiers have been widely used in electrocardiogram (ECG) medical equipment. Doctors have obtained...