Search results for "HEART RATE"

Acute Hemodynamic Effects of Nicorandil in Coronary Artery Disease

1992

Nicorandil is a potent vasodilator with antianginal and anti-ischemic properties that acts on both the coronary and the peripheral vascular bed. Because of its dual vasodilatory mechanisms mediated by an increase in cyclic GMP similar to that of nitrates and by a selective increase in the K+ conductance of the smooth muscle cell membrane, nicorandil unloads the right and left ventricles at rest and during exercise. Thus, compared with the classic nitrates, nicorandil is a more balanced vasodilator, i.e., it affects not only the venous capacitance vessels (as predominantly affected by nitrates) but also the arterial resistance vessels. In clinical pharmacologic trials, nicorandil has been ad…

The relationship between situational and contextual self-determined motivation and physical activity intensity as measured by heart rates during nint…

2008

The aim of the study was to investigate the relationships between situational and contextual self-determined motivation and physical activity intensity as measured by heart rates during a ninth-grade students' physical education (PE) class. The participants of the study were 139 Finnish ninth-grade students (15-year-olds). The data were collected during one 60-minute PE class held by the class PE teacher. Results revealed that more self-determined situational motivation negatively predicted the lowest heart rate category (<120 beats/min.) as well as the next lowest heart rate category (120—40 beats/min.). Neither variation in type of situational or contextual motivations explained heart…

The Role of Perceived Control in the Psychophysiological Responses to Disgust of Subclinical OCD Women

2019

Obsessive‒compulsive disorder (OCD), and especially contamination obsessions and washing compulsions, has been related to disgust. However, when its cardiovascular correlates have been studied, contradictory results have been found, including heart rate accelerations and decelerations. The aim of this study is to analyze emotional, cognitive, and cardiovascular responses in nonclinical (control) and subclinical participants with obsessive‒compulsive contamination/washing symptoms when confronted with a disgusting stimulus. Twenty-seven participants (14 subclinical OCD) completed a behavioral avoidance task with a contamination-based stimulus while their heart rate and subjective variables w…

Heart rate variability during sleep in patients with schizophrenia treated with olanzapine.

2004

Cardiac adverse events in patients treated with atypical antipsychotics have gained increasing interest in recent years. In the present study, heart rate variability (HRV), which is a sensitive parameter reflecting central autonomic cardiac control, was investigated during treatment with olanzapine. Ten physically healthy male patients with schizophrenia, who displayed predominantly negative symptoms, were studied in the sleep laboratory under drug-free baseline conditions and after 4 weeks of olanzapine medication. HRV was assessed during different sleep stages both in the time and frequency domains. Only slight changes in HRV were shown during treatment, and appeared to be independent of …

Utilidad de los marcadores biológicos en la detección precoz y prevención del síndrome de burnout [Usefulness of biological markers in early detectio…

2014

Usefulness of biological markers in early detection and prevention of burnout syndrome Abstract: Burnout is associated with a worse health self-perception and greater physical and psychiatric comorbidity. The objective of this review is to summarize in a systematic way the main biomarkers associated with the burnout syndrome: cardiovascular (blood pressure, heart rate and variability of heart rate); sleep-related (quality, fragmentation, and sleep latency); associated with the hypothalamic-pituitary-adrenal axis and the sympathetic-adrenal-medullary axis (cortisol, sa- livary IgA, lysozime, α-amylase and chromogranin-A); related to the immune system (natural killer cells and mononuclear ant…

Effects of Alcohol, Coffee, and Tobacco, Alone or in Combination, on Physiological Parameters and Anxiety in a Young Population

2012

The objective was to evaluate the effects of a single dose of alcohol, caffeine, and nicotine, alone or in combination, on physiological parameters (systolic and diastolic blood pressure [SBP and DBP] and heart rate [HR]) and state-trait anxiety in healthy young volunteers.The procedure reproduces the conditions under which the subjects (Intake of alcohol or alcohol-nicotine reduced DBP. Comparisons between control and combined treatment (coffee-alcohol-nicotine) groups revealed a decrease in HR in the former group but not in the latter. The coffee consumers alone exhibited a tendency toward an increase in SA, while the control group showed a tendency toward a decrease in this measure. When…

Photoplethysmography In Dogs And Cats: Selection Of Measurement Sites For Pet Monitor

2018

The PPG measurements of the study Cugmas et al, 2018. Notes.txt include all information about the dataset.

Cardiovascular effects of the methanol and dichloromethanol extracts fromTeucrium flavum L.

1998

The effects on arterial blood pressure and heart rate of the methanol and dichloromethanol extracts from Teucrium flavumL. were analysed in urethane anaesthetized rats. Mean arterial blood pressure was significantly reduced by the i.v. administration of both extracts to normotensive rats. The methanol extract also induced a decrease in the heart rate, while the dichloromethanol extract lacked any effect on this parameter. © 1998 John Wiley & Sons, Ltd.

Editorial: Management of Elevated Heart Rate in Essential Hypertension: Pathophysiological Insights and Therapeutic Approach.

2017

The Tolerability of Nilvadipine Compared to Nifedipine in Patients with Essential Hypertension

1992

In one multicenter, double-blind study, 659 hypertensive patients were treated for 16 weeks with either nilvadipine (n = 326) or nifedipine (n = 333). The major objective of the study was to compare the compatibility of the two calcium antagonists with regard to hepatic compatibility and side-effect profiles. The dosages were chosen so that the effective blood pressure reduction in both groups was equally good (mean decreases in systolic pressure of 27 +/- 12 mm Hg with nilvadipine and 26 +/- 15 mm Hg with nifedipine, and in diastolic pressure of 18 +/- 6 mm Hg with nilvadipine and 19 +/- 7 mm Hg with nifedipine). The mean heart rate was slightly lowered by about 2 beats/min by both substan…