نتایج جستجو برای: سیگنال ecg
تعداد نتایج: 29830 فیلتر نتایج به سال:
the aim of this study is to show that the measures derived from electrocardiogram (ecg) signals many a time perform better than the same measures obtained from heart rate (hr) signals. a comparison was made to investigate how far the nonlinear symbolic dynamics approach helps to characterize the nonlinear properties of ecg signals and hr signals, and thereby discriminate between normal and cong...
چکیده سابقه و هدف: با توجه به اهمیت سندرم کرونری حاد با ecg غیر تشخیصی وسرانجام این بیماری و اهمیت اطلاع از مارکرهای تشخیصی از جملهqt dispersion با این سندرم، این تحقیق در مراجعین بیمارستان طالقانی در سال 1391 انجام گرفت. روش بررسی: تحقیق به روش توصیفی از نوع همبستگی بر روی کلیه بیمارانی که با سندرم کرونری حاد و درد سینه بستری شده بودند انجام گرفت. الکتروکاردیوگرام مطرح کننده تغییر خاص نبود.خصو...
salinomycin is a monocarboxylic polyether ionophore with antimicrobial properties. it is a dietaryadditive used as a growth promoter for ruminants and as a coccidiostat in chickens. the mechanism of actionof ionophores at the cellular level is to selectively bind certain ions creating intra and extracellularbiochemical disturbances. clinical signs of ionophore intoxication are non specific and ...
هدف از این مطالعه تعیین بهترین مدت زمان تیمار پروژسترون و بهترین زمان تزریق ecg در برنامهی همزمانی فحلی خارج از فصل تولیدمثلی در بز مادهی مهابادی بود. 103 رأس بز مادهی مهابادی با میانگین وزنی 45/0±5/57 کیلوگرم و میانگین سنی 4-2 سال انتخاب شد. این بزها به 6 گروه تقسیم شدند. گروه شاهد (10n=) بدون هیچ تیماری در معرض بز نر قرار گرفتند. بزهای گروه c9-e7 (26n=) به منظور همزمانی فحلی به مدت 9 ر...
The aim of this study was to investigate the efficacy of equine chorionic gonadotropin (eCG) and cloprostenol (CLO) administration on oestrus synchronisation, uterine development as well as serum LH and FSH concentrations in mice. One hundred and five KM mice were assigned into eCG-1, eCG-2, eCG-3, CLO-1, CLO-2, CLO-3 and control groups (CG, n = 15). The eCG-1, eCG-2 and eCG-3 groups were intra...
Background: Coronary Artery Disease (CAD) is one of the major causes of mortality in most countries. Electrocardiography (ECG) and myocardial perfusion imaging (MPI) are non-invasive disgnostic tests for CAD. Finding a relationship between abnormal findings in the baseline ECG and MPI findings can be helpful in better diagnosis of CAD. Materials and Methods: The present study examined ECG of pa...
Introduction: Electrocardiogram (ECG) is a method to measure the electrical activity of the heart which is performed by placing electrodes on the surface of the body. Physicians use observation tools to detect and diagnose heart diseases, the same is performed on ECG signals by cardiologists. In particular, heart diseases are recognized by examining the graphic representation of heart signals w...
the aim of this study was to define the electrocardiogram (ecg) changes following the moderate to severe co intoxication in rats, and also evaluating the effect of erythropoietin (epo) on observed cardiac disturbances. the growing literature on erythropoietin effect on cardiac ischemia led us to question its effect on cardiotoxicity due to the carbon monoxide poisoning. wistar rats were exposed...
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