نتایج جستجو برای: blood pressure heart rate
تعداد نتایج: 2045130 فیلتر نتایج به سال:
medical environments such as hospital waiting rooms can affect a client’s anxiety level as wellas psychological and physiological responses to his or her situation. the aim of this research was to evaluatethe use of environmental design, specifically the design which incorporates elements of nature, in clinics andhospitals to decrease anxiety, blood pressure and pulse rates of waiting clients. ...
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...
conclusions administration of two different doses of intravenous ondansetron, 6 mg and 12 mg, significantly attenuates spinal induced hypotension, bradycardia and shivering compared to the control saline group. however, the hemodynamic profiles and shivering in experimental groups were not statistically different. results demographic data were not statistically different among groups. hr was st...
BACKGROUND Sympathetic traffic to the peripheral vasculature and sympathetic discharge to the heart have complementary effects on blood pressure. Although faster heart rates have been linked to higher blood pressures, the relationship between muscle sympathetic nerve activity (MSNA) and long-term regulation of blood pressure is not clear. We tested the hypothesis that MSNA and heart rate are li...
Blood pressure increases will increase heart rate in intact chick embryos, prior to the development of neural control. Similarly, in surgically isolated hearts, increases in intraventricular fluid pressure will increase the rate of beat. However, fluid pressure applied equally to both interior and exterior surfaces of the isolated heart does not result in increased heart rate. Therefore, we con...
BACKGROUND There is evidence that in cirrhotic patients, certain hemodynamic parameters, such as blood pressure and heart rate, are related to the severity of liver disease. This study investigated whether non-invasive 24-hour ambulatory blood pressure and heart rate are more closely associated with markers of liver disease severity than conventional office measurements. METHODS Ambulatory pa...
Aim and Background: Now, 95 % of the pregnant experience regional anesthesia. Neuro-axial technique-induced sympathic block may result in hypotension in the mothers and consequently can affect the blood uterus. Different findings regarding the effects of prophylactic hydration prevention of maternal hypotension , the decision to study in this field. Materials and Methods: The study is a randomi...
Aim and Background: Arterial tourniquets are used widely for extremity orthopedic surgeries with regional or general anesthesia to reduce blood loss, but the harmful effect of ischemia and reperfusion is not clear yet. Materials and Methods: In this clinical trial 40 patients scheduled for lower extremity surgery with pneumatic tourniquet were randomized into 2 groups: a remote ischemi...
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