background: coronary angiography, albeit a safe procedure, may cause serious complications especially in patients with left main stenosis (lms). this study was designed to investigate the efficacy of workload achieved by exercise tolerance test (ett) in predicting lms in candidates for coronary angiography. methods: a total of 743 patients with a positive ett who subsequently underwent cardiac ...

introduction: chest pain is a common problem in patients referring to emergency units. the present study was undertaken to evaluate the short-term outcome of patients presenting with a low risk chest pain and discharging without provoke ischemia study during emergency department admission. methods: in the present prospective cohort study, patients with low-risk chest pain, referring to the emer...

conclusions inhalation of tiotropium bromide in combination with pulmonary rehabilitation could improve some plethysmographic lung volumes and clinical outcomes in patients with chronic pulmonary disease due to sm. short-term prescription of pulmonary rehabilitation has no effect on cpet of patients. patients and methods in a randomized clinical trial, using convenient sampling method, 54 patie...

conclusions in conclusion, rsasl and rsacod differed for time variables (tt and bt) and hr responses. despite being non-significant, the trend that adding cod reduced the percentage differences in tt and bt between the two groups highlighted the role of sport specialization. results compared with rsasl, tt and bt were worst in rsacod (38.13 vs. 27.52 s and 3.67 vs. 2.66 s, p < 0.001, respective...

purpose the purpose of this investigation was to assess the effects of listening to music during warm-up on short-term supramaximal performances during the 30-s wingate test in highly trained athletes. methods twelve young male athletes (20.6±1.8 yrs, 177±4.4 cm and 72.3±5.3 kg) underwent two wingate tests in separate sessions with a recovery period of 48 h in-between, either after a 10 min of ...

background coronary artery disease is the single most important cause of mortality and morbidity in diabetic patients. electrocardiographic stress test is a non-invasive modality to screen significant coronary involvement in minimally symptomatic diabetics. objectives we investigated the positive predictive value (ppv) of this test in comparison with coronary angiography. materials and methods ...