نتایج جستجو برای: arterial pressure
تعداد نتایج: 497397 فیلتر نتایج به سال:
Introduction: Intensive care unit is one of stressful wards for patients and stress creates some alterations in physiologic indicators of patients. So it is necessary to use a low expense and comforting method to stabilize physiologic indicators. The purpose of the present research is to determine the effect of foot massage on physiologic indicators including pulse, respiration, mean arterial p...
[Reproducibility of arterial pressure measured in the ELSA-Brasil with 24-hour pressure monitoring].
OBJECTIVE To determine the reproducibility of casual arterial pressure measurement and to confirm pressure diagnosis by monitoring of participants in the ELSA-Brasil (Estudo Longitudinal de Saúde do Adulto - Brazilian Longitudinal Study for Adult Health). METHODS Casual blood pressure was measured with an oscilometric device. A sub-sample of participants (N = 255) from Espírito Santo state (S...
Positive-pressure ventilation alters stroke volume by transiently increasing intrathoracic pressure and thereby decreasing preload. This phasic variation in stroke volume results in a cyclic fluctuation in arterial pressure with a phase length equal to the respiratory rate. Measuring ventilation-induced arterial pressure variation allows the clinician to predict the cardiovascular response to c...
We tested the hypothesis that postexercise reductions in arterial pressure and heart rate (HR) are mediated by a lowering of the operating point and a reduction in the gain of the arterial baroreflex. To test this hypothesis, spontaneous changes in arterial pressure and the reflex responses of HR were examined before and after a single bout of mild to moderate dynamic exercise in 19 spontaneous...
Effects of acute hypercapnia on the cardiovascular system (CYS) were studied in the anesthetized cat. After surgery the animal was exposed to a gas mixture of 12% CO2 and 25% O2 in nitrogen, and hypercapnia with low levels of arterial pH (pHa) was produced for 20 minutes. In the second run the same level of hypercapnia was induced by ventilating the same cat from the above gas mixture but ...
Background and purpose: Candidates for cataract surgery have high anxiety and worry for various reasons which may cause changes in their hemodynamic parameters. Maintaining hemodynamic stability during anesthesia and surgery is very important. This study aimed at comparing the effects of listening to nature sounds and lavender inhalation on hemodynamic parameters in patients undergoing cataract...
background thrombolytic therapy in patients with sub-massive pulmonary embolism (smpte) needs further assessment. objectives the current study aimed to assess a potential benefit of thrombolytic and non-thrombolytic therapy in patients with smpte. patients and methods one hundred-nineteen patients were enrolled with smpte from 2006 to 2010 in the tertiary care center of rajaie medical and resea...
introduction: the effect of severe soft tissue injury on the severity of hemorrhagic shock is still unknown. therefore, the present study was aimed to determine hemodynamic and metabolic changes in traumatic/hemorrhagic shock in an animal model. methods: forty male rats were randomly divided into 4 equal groups including sham, hemorrhagic shock, soft tissue injury, and hemorrhagic shock + soft ...
The most common method of clinical measurement of arterial blood pressure is by means of the cuff sphygmomanometer. This instrument has provided fundamental quantitative information on arterial pressure in individual subjects and in populations and facilitated estimation of cardiovascular risk related to levels of blood pressure obtained from the brachial cuff. Although the measurement is taken...
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