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ORTHOSTATIC TACHYCARDIA: DIAGNOSTIC AND PROGNOSTIC VALUE OF VERY LOW FREQUENCY OF HEART RATE VARIABILITY
Published 2014-08-01Subjects: Get full text
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Heart rate variability in ventricular extrasystolia
Published 2008-02-01“…The aim of the study was to identify frequency characteristics of heart rate variability (HRV) in ventricular extrasystolia (VES). …”
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Optimizing Herbicide Use in Fodder Crops with Low-Cost Remote Sensing and Variable Rate Technology
Published 2025-02-01“…This study investigates the potential of integrating remote sensing with a low-cost RGB sensor and variable-rate technology (VRT) to optimize herbicide application in a ryegrass (<i>Lolium multiflorum</i> Lam.) fodder crop. …”
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Heart rate variability response to low-frequency sounds vibrations in regularly active male subjects
Published 2025-06-01Subjects: “…heart rate variability…”
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A Body Shape Index and Heart Rate Variability in Healthy Indians with Low Body Mass Index
Published 2014-01-01“…The present study aimed to explore the association between indices of HRV (heart rate variability), BMI, WC, and ABSI in healthy Indian males with low BMI (BMI < 18.5 kg/m2) and to compare with normal BMI group (BMI 18.5 to 24.9 kg/m2). …”
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Integrating Low-Altitude Remote Sensing and Variable-Rate Sprayer Systems for Enhanced Cassava Crop Management
Published 2025-06-01“…Integrating remote-controlled (RC) helicopters and drones equipped with variable-rate sprayer systems represents a significant advancement in agricultural practices, particularly for the precise management of crop diseases. …”
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Heart Rate Variability Analysis in Patients with Allergic Rhinitis
Published 2013-01-01“…In this study, we evaluated the autonomic nervous system in allergic rhinitis patients using heart rate variability (HRV) analysis. Methods. Eleven patients with allergic rhinitis and 13 healthy controls, aged between 19 and 40 years old, were enrolled in the study. …”
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Heart rate variability as determinism with jump stochastic parameters
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Cognitive implications of white matter microstructural changes in individuals with low heart rate variability: a NODDI study
Published 2025-05-01“…ObjectiveThis study aimed to investigated the microstructural integrity of WM and the relationship with the cognitive domains and cognition-related plasma biomarkers in low heart rate variability (HRV).MethodsOur study recruited 44 high HRV and 44 low HRV (Grouping by median of HF). …”
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Variable-Rate Incremental-Redundancy HARQ for Finite Blocklengths
Published 2025-01-01“…Numerical results confirm that the optimized variable-rate IR-HARQ significantly outperforms its fixed-rate counterpart, both with ideal codes and with a 5G commercial code. …”
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Daily Heart Rate Variability in Dogs With Atrial Fibrillation
Published 2025-03-01“…Conclusion and Clinical Importance The daily heart rate variability in dogs with AF receiving AAD is low, suggesting that a single 24‐h Holter recording is adequate to assess rate control. …”
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Analysis of heart rate as a predictor of changes in heart rate variability in children
Published 2024-10-01“…Heart rate also proved to be a good predictor considering low-frequency/high-frequency ratio (LF/HF) and standard deviation of long-term continuous NN intervals /standard deviation of the instantaneous variability of continuous NN intervals in the Poincaré graph ratio (SD2/SD1). …”
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Development and Validation of Cloud-based Heart Rate Variability Monitor
Published 2024-12-01“…Context: This article introduces a new cloud-based point-of-care system to monitor heart rate variability (HRV). Aims: Medical investigations carried out at dispensaries or hospitals impose substantial physiological and psychological stress (white coat effect), disrupting cardiovascular homeostasis, which can be taken care by point-of-care cloud computing system to facilitate secure patient monitoring. …”
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Influence of body fat on heart rate variability in healthy females
Published 2024-09-01“… Objective: To evaluate the effect of central obesity indices in healthy females on cardiac autonomic activity, using heart rate variability as an index reflecting the cardiac autonomic balance. …”
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Effects of sugammadex on heart rate variability in anesthetized male rats
Published 2025-08-01“…Abstract The administration of sugammadex has been associated with bradycardia and rarely asystole; however, the underlying mechanisms remain unclear. We examined heart rate variability (HRV) as an index of autonomic nervous system activity and investigated the effects of sugammadex on HRV in α‐chloralose and urethane anesthetized male rats. …”
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Individual dynamics of heart rate variability in treated cardiac patients
Published 2009-10-01“…To identify the best markers of heart rate variability (HRV) dynamic in treated cardiac patients.Material and methods. …”
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VASCULAR REMODELING AND HEART RATE VARIABILITY IN DIFFERENT ANTIHYPERTENSIVE THERAPIES
Published 2016-01-01“…PWV, CAVI of the vessels of elastic, muscular and mixed types, blood pressure, measured in upper and lower extremities and heart rate variability (HRV) were determined before and at the end of the therapies.Results. …”
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Refined matrix completion for spectrum estimation of heart rate variability
Published 2024-08-01“…Heart rate variability (HRV) is an important metric in cardiovascular health monitoring. …”
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Dynamics of heart rate variability in rats with streptozotocin-induced diabetes
Published 2019-03-01“…For 5 minutes ECG fragments, heart rate and heart rate variability (HRV) in the temporal domain were calculated, characterising: 1) the total heart rate variability (tHRV) according to SDRR, SDHR, KVRR and KVHR; 2) the effect of the parasympathetic department of the autonomic nervous system (aANS) for RMSSD and pNN3; 3) the contribution of the sympathetic department of the ANS (sANS) by SDAvgRR, SDAvgHR. …”
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