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The Association between Resting Heart Rate and Arterial Stiffness in Men

Doo SH, Choi HJ, Park SB, Jung D, Shim YN, Oh HJ

BACKGROUND: Early detection of vascular change may improve prediction of subclinical stage of cardiovascular disease, allowing intervention to prevent overt vascular damage. High heart rate is known to increase cardiovascular...
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Comparison of Skin Stimulation Method and Topical Anesthetic Cream on Pain and Heart Rate Variability during Arteriovenous Fistula Puncture in Hemodialysis Patients

Kang HY, Chae YR

PURPOSE: The purpose of this was to compare effects of application of the skin stimulation method and topical anesthetic cream on pain, heart rate variability and satisfaction according to nursing...
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Effect of College Students' Perceived Stress, Cognitive Response to Stress, and Somatization on Heart Rate Variability

Park KS, Yoon HM

PURPOSE: The purpose of this study was to investigate how college students' perceived stress, cognitive stress, and somatization affect their heart rate variability (HRV). METHODS: This study is a cross-sectional survey...
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Carotid Arterial Stiffness and Attenuated Heart Rate Recovery in Uncomplicated Hypertensive Patients

Kim MJ

No abstract available.
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Slow Heart Rate Recovery Is Associated with Increased Exercise-induced Arterial Stiffness in Normotensive Patients without Overt Atherosclerosis

Yang IH, Hwang HJ, Jeon HK, Sohn IS, Park CB, Jin ES, Cho JM, Kim CJ, Lee TG

BACKGROUND: This study evaluated whether blunted autonomic activity as measured by heart rate recovery (HRR) was associated with increased arterial stiffness, especially increased exercise-induced arterial stiffness, in normotensive patients without...
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Impact of Resistance Training on Obesity index, Lipid Index, Blood Pressure, Pulse Rate, and Bone Mineral Densitometer in Middle-aged Women: A Meta-analysis of Randomized Controlled Trials

Park SH, Kim CG

PURPOSE: We reviewed the effects of resistance training on obesity index, lipid index, blood pressure, pulse rate, and bone mineral densitometer in middle-aged women. METHODS: Randomized, controlled trials lasting 12 weeks...
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Assessing Accuracy of Wrist-Worn Wearable Devices in Measurement of Paroxysmal Supraventricular Tachycardia Heart Rate

Hwang J, Kim J, Choi KJ, Cho MS, Nam GB, Kim YH

BACKGROUND AND OBJECTIVES: Wrist-worn wearable devices provide heart rate (HR) monitoring function via photoplethysmography technology. Recently, these devices have been used by patients to measure the HR when palpitation occurs,...
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The correlation of heart rate between natural sleep and dexmedetomidine sedation

Kang D, Lim C, Shim DJ, Kim H, Kim JW, Chung HJ, Shin Y, Kim JD, Ryu SJ

BACKGROUND: Sedation by dexmedetomidine, like natural sleep, often causes bradycardia. We explored the nature of heart rate (HR) changes as they occur during natural sleep versus those occurring during dexmedetomidine...
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Heart Rate Variability Biofeedback Increased Autonomic Activation and Improved Symptoms of Depression and Insomnia among Patients with Major Depression Disorder

Lin IM, Fan SY, Yen CF, Yeh YC, Tang TC, Huang MF, Liu TL, Wang PW, Lin HC, Tsai HY, Tsai YC

OBJECTIVE: Autonomic imbalance is considered a psychopathological mechanism underlying major depressive disorder (MDD). Heart rate variability (HRV) is an index for autonomic activation. Poor sleep quality is common among patients...
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Variations in chest compression time, ventilation time and rescuers' heart rate during conventional cardiopulmonary resuscitation in trained male rescuers

Hong JY, Oh JH

OBJECTIVE: This study was conducted to determine why rescuers could maintain adequate chest compression depth for longer periods during conventional cardiopulmonary resuscitation (CPR). METHODS: Various CPR parameters, including average compression depth...
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Heart Rate Change While Drowsy Driving

Jo SH, Kim JM, Kim DK

Heart rate (HR) change during sleepy driving has never been investigated. Healthy volunteers who planned to drive a long distance were recruited and monitored with a 24-hour Holter. Six healthy...
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Heart rate recovery and diastolic blood pressure ratio on the treadmill test predict an induction and recurrence of vasovagal syncope

Choi YJ, Kang KW, Jang SH, Kim JG, Lee SJ, Jung KT

BACKGROUND/AIMS: The induction and recurrence of syncope is a concerning situation that could be unpredicted in the vasovagal syncope (VVS). We investigated a simple predictor for the induced and recurrent...
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A physiology based model of heart rate variability

von Rosenberg W, Hoting MO, Mandic DP

Heart rate variability (HRV) is governed by the autonomic nervous system (ANS) and is routinely used to estimate the state of body and mind. At the same time, recorded HRV...
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Heart and Brain Interaction of Psychiatric Illness: A Review Focused on Heart Rate Variability, Cognitive Function, and Quantitative Electroencephalography

Jung W, Jang KI, Lee SH

Heart rate variability (HRV) reflects beat-to-beat variability in the heart rate due to the dynamic interplay of the sympathetic and parasympathetic nervous systems. HRV is considered an index of the...
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The Relationship between Heart Rate Variability and Aortic Knob Width

Sung SY, Han JH, Kim JH, Kwon KY, Park SW

BACKGROUND: The aortic knob width (AKW) and the heart rate variability (HRV) were suggested to be related to development of cardiovascular diseases. However, the relationship between them has not been...
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Influence of Heart Rate and Innovative Motion-Correction Algorithm on Coronary Artery Image Quality and Measurement Accuracy Using 256-Detector Row Computed Tomography Scanner: Phantom Study

Park JB, Jeong YJ, Lee G, Lee NK, Kim JY, Lee JW

OBJECTIVE: To investigate the efficacy of motion-correction algorithm (MCA) in improving coronary artery image quality and measurement accuracy using an anthropomorphic dynamic heart phantom and 256-detector row computed tomography (CT)...
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Heart rate recovery and blood pressure response during exercise testing in patients with microvascular angina

Kim BJ, Jo EA, Im SI, Kim HS, Heo JH, Cho KI

BACKGROUND: Angina pectoris with a normal coronary angiogram, termed microvascular angina (MVA), is an important clinical entity; however, its causes remain unclear. Autonomic dysfunction is one of the possible causes....
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Electrocardiogram Sampling Frequency Range Acceptable for Heart Rate Variability Analysis

Kwon O, Jeong J, Kim HB, Kwon IH, Park SY, Kim JE, Choi Y

OBJECTIVES: Heart rate variability (HRV) has gained recognition as a noninvasive marker of autonomic activity. HRV is considered a promising tool in various clinical scenarios. The optimal electrocardiogram (ECG) sampling...
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Change of Heart Rate Variability in Depressive Disorder after Physical or Psychological Stress

Lee JH, Yu J, Ryu SH, Ha JH, Jeon HJ, Park DH

OBJECTIVES: This study was designed to assess the change of heart rate variability (HRV) at resting, upright, and psychological stress states in depressive disorder patients. METHODS: HRV was measured at resting,...
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Impact of Heart Rate Reduction with Maximal Tolerable Dose of Bisoprolol on Left Ventricular Reverse Remodeling

Choi SW, Han S, Shim WJ, Choi DJ, Kim YJ, Yoo BS, Hwang KK, Jeon HK, Shin MS, Ryu KH

BACKGROUND: We aimed to evaluate effect of heart rate (HR) reduction on left ventricular reverse remodeling (LVRR) in Korean patients with heart failure with reduced ejection fraction (HFrEF). METHODS: Ambulatory patients...
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