نتایج جستجو برای: pressure relationship
تعداد نتایج: 938226 فیلتر نتایج به سال:
The curve of the relationship between the mean arterial pressure and the mean carotid blood flow in hypertensives is shifted to higher values. The aim of the present paper was to study the relationship between the mean arterial pressure and the mean carotid blood flow in patients with essential hypertension treated with enalapril. A group of untreated subjects with essential hypertension, a gro...
Background: Pulse pressure has recently been considered as a predictor of coronary heart disease. The difference between systolic and diastolic blood pressure is called pulse pressure. Various factors including increased age, vascular stiffness, stenosis, and hypertension are associated with pulse pressure. The present study, therefore, aimed to investigate the relationship between some cardiov...
abstract this study examines the relationship between reading anxiety and difficulty of texts as well as the relationship between reading anxiety and students perceived difficulty of the texts. since difficulty is a relative concept, i limited its definition by sticking to the readability formula. we also took students perceived difficulty levels into account. therefore, in the present study, ...
In this research, the relationship between NCPI and CACO indices with autumn precipitation of Southern Coast of Caspian Sea (SCCS) was investigated. In this regard, two sets of data were used (Aphrodite and Station). And the days with more rainfall than long-term average rainfall station and on condition that the rainfall is more than 70% of the region rainfall, were chosen as a day of widespre...
BACKGROUND AND PURPOSE Prior work aimed at improving our understanding of human cerebral autoregulation has explored individual physiological mechanisms of autoregulation in isolation, but none has attempted to consolidate the individual roles of these mechanisms into a comprehensive model of the overall cerebral pressure-flow relationship. METHODS We retrospectively analyzed this relationshi...
the study reflected in this thesis aims at finding out relationships between critical thinking (ct), and the reading sections of tofel and ielts tests. the study tries to find any relationships between the ct ability of students and their performance on reading tests of tofel and academic ielts. however, no research has ever been conducted to investigate the relationship between ct and the read...
Abstract Background & Aim: High blood pressure is very important risk factor for cardiovascular disease but more symptoms of this disease are not evident in the adolescent period. This study aimed to investigate the relationship between blood pressure and mean arterial pressure, body mass index, as well as their prevalence at a younger age. Material & Method: This study is a descriptive c...
1. There was a significant positive relationship between sodium-stimulated lithium efflux and systolic blood pressure (r = 0.512) in erythrocytes of black school children. Weight was also positively and significantly correlated with blood pressure. Although erythrocyte sodium concentration did not bear any significant relationship with blood pressure, it did bear significant inverse relationshi...
The relationship between various measures of the expression and experience of anger (and anxiety), traditional risk factors and blood pressure were examined in a sample of black and white female adolescents who were enrolled in health science courses in Tampa, Florida. Whereas a number of the personality and traditional risk factors were significantly correlated with blood pressure, body mass (...
The behavioral significance of changes in the cardiovascular system has been a major source of controversy in psychophysiology. In view of this, it is surprising that so few studies have examined the relationship between cardiac events and electrocortical (EEG) activity in human subjects. In the present study, this relationship was examined by comparing phase, amplitude and frequency of EEG act...
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