نتایج جستجو برای: exercise stress test
تعداد نتایج: 1352687 فیلتر نتایج به سال:
Although cardiac recovery is an important criterion for ranking horses in endurance competitions, heart rate variability (HRV) has hardly ever been studied in the context of this equestrian discipline. In the present study, we sought to determine whether HRV is affected by parameters such as age, exercise duration and test site. Accordingly, HRV might be used to select endurance horses with the...
The aim of this study was to verify the possible interactions between exercise capacity and spontaneous locomotor activity (SLA) during the oscillation of core body temperature (Tb) that occurs during the light/dark cycle. Wistar rats (n=11) were kept at an animal facility under a light/dark cycle of 14/10h at an ambient temperature of 23°C and water and food ad libitum. Initially, in order to ...
Various positive effects of pet ownership on cardiovascular health are well known. The aim of this prospective and controlled longitudinal study was to determine the effects of everyday dog-walking on physical capacity in elderly patients during the first year after myocardial infarction. Regularly dog-walking for at least 15 minutes three times a day is related to significantly higher work loa...
All asthmatics have exercise-induced asthma (EIA). In periods where the asthma spontaneously deteriorate, there will be more exercise-induced asthma. About 3/4 of the asthmatics will have a positive exercise test on the first challenge. Exercise is not the best test to obtain the diagnosis of asthma, as other tests, e.g. inhalation of histamine, is more sensitive and specific. The best pretreat...
The influence of age and fitness on the neuroelectric correlates of attentional orienting and processing during stimulus discrimination were investigated. Younger and older adult participants completed a maximal aerobic exercise test and were separated into higher- and lower-fit groups according to their cardiorespiratory fitness. Task performance and event-related potential measures were obtai...
BACKGROUND The diagnostic value of the Athens QRS score to detect obstructive coronary artery disease CAD in patients with otherwise normal exercise stress test remains unclear. METHODS AND RESULTS We analyzed 458 patients who underwent exercise stress test with or without myocardial perfusion imaging within 2 months of coronary angiography from 2008 to 2011. Patients (n=173) with abnormal st...
Background and Aims: Stress of vigorous exercise may be causes of disorders in body immune system and appearance of acute and chronic inflammation. Caffeine supplementation prior to exercise can be effective on body immune response. The purpose of this study was the evaluation of short-term caffeine supplementation on some immune and stress index responses in non-active men after an exhaustive ...
BACKGROUND AND OBJECTIVES Only 12 % of family physicians perform exercise stress testing (EST) in the office even though there are many indications for its use. The purpose of this study was to obtain updated information about attitudes toward EST training from family medicine residency program directors in the United States. METHODS A survey regarding EST training was designed and sent to al...
abstract background: the incidence of pregnancy induced hypertension (pih) which is one of the three main causes of maternal-neonatal morbidity and mortality is 5-7%, and prediction of this disorder is very important in maternal and neonatal health. methods: the type of this study is analytical (comparative-prospective) and its purpose is to evaluate the isometric exercise test (let) and roll-o...
This study described the practice profile of an open access exercise stress test (EST) service to the primary care physicians at a teaching hospital in 2000. We performed a retrospective review of all ESTs ordered and conducted by the primary care physicians. A total of 145 ESTs were conducted, of which 80.7% were referred for assessment of chest pain. Proportions of positive, negative, uninter...
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