نتایج جستجو برای: سیگنال ecg

تعداد نتایج: 29830  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده دامپزشکی 1390

*نویسنده مسئول:[email protected] چکیده آنستروس پس از زایش جز یکی از مهمترین مشکلات دامپروری ها محسوب می شود. آنستروس ناشی از تخمدان غیر فعال موجب تاخیر در آبستن شدن دام ها،افزایش روزهای باز گله و زیان های اقتصادی فراوانی می شود.در این مطالعه تاثیر تجویز هورمون ecg (گونادوتروفین کوریون اسب) در گاوهای دارای تخمدان غیر فعال روی نرخ آبستنی در تلقیح متعاقب درمان ، نرخ آبستنی تلقیح دوم و همچنین...

جاهد خانقاه, شیرین , جواد رشید, رضا , طرزمنی, محمدکاظم , کاظمی , بابک ,

   Background & Aims: The most common diagnostic modality for pulmonary emboli is CT angiography (CTA). Because of the availability and inexpensiveness, taking an electrocardiogram (ECG) is the first step in patients suspicious to pulmonary emboli. However, ECG does not provide any sensitive or specific manifestations for diagnosis of pulmonary emboli. We aim to evaluate the correlation between...

Journal: :iranian journal of toxicology 0
مرتضی رهبر طارمسری morteza rahbar taromsari department of forensic medicine, guilan university of medical sciences, guilan, iran. علیرضا بادسار alireza badsar department of forensic medicine, guilan university of medical sciences, guilan, iran. محمدرضا آقاجان خواه mohammadreza aghajankhah department of cardiology, guilan university of medical sciences, guilan, iran. منوچهر اکبرپور manochehr akbar poor medical student, guilan university of medical sciences, guilan, iran. نسترن فرهمند پور کار nastaran farhamand porkar medical student, guilan university of medical sciences, guilan, iran. مرتضی فلاح کارکان morteza fallah karkan medical student, guilan university of medical sciences, guilan, iran.

background: cardiac manifestations that occur in a majority of patients with organophosphate (op) poisoning may range from innocuous electrocardiographic manifestations, such as sinus tachycardia, to life-threatening complications, including cardiogenic pulmonary edema and myocardial necrosis. in this study, we evaluated the various electrocardiographic manifestations in patients with op poison...

Journal: :iranian journal of public health 0
m. daneshapjooh a. nadim h. amini

a survey was carried out in the summer of 1972 in east azerbaijan, northwest iran, to determine the prevalence of cardiovascular disease. ecg tracings were prepared from 198 women and 178 men aged 40-60. only 45% of the tracings were completely normal. q/qs abnormalities were found in 4.7% of tracings, left axis deviation in 4% tall r wave in 37%, st depression in 3.9% of men and 14.1% of women...

Journal: :international journal of advanced biological and biomedical research 2013
shweta agarwal a.k. wadhwani

in this paper the main objective is to quantify and compare the instantaneous value of heart rate for normal breathing patterns during meditation and non meditation conditions. this paper involves analysis of variance (anova) technique for the analysis of the heart rate variability patterns during the meditative and non meditative states. the analysis is divided into three stages i.e. data acqu...

Journal: :veterinary research forum 2012
afshin jafari-dehkordi mohammad rahim haji-hajikolaei zahra karimi-dehkordi

for induction of ruminal acidosis, 10 clinically healthy three years old non pregnant female sheep were selected. prior to the infusion of sucrose (0 hour), rumen and blood samples were obtained in order to determine baseline rumen and blood ph, respectively. electrocardiogram (ecg) was also recorded. acute ruminal acidosis was induced experimentally with sucrose at a dose of 18g kg-1 body weig...

Journal: :iranian journal of toxicology 0
نسترن ایزدی مود nastaran eizadi-mood anesthesiology and intensive care department, isfahan university of medical sciences, isfahan, iran کامران منتظری kamran montazeri anesthesiology and intensive care department, isfahan university of medical sciences, isfahan, iran مصطفی دهقانی دستجردی mostafa dehghani dastjerdi isfahan university of medical sciences, isfahan, iran

background: benzodiazepine (bzd) toxicity alone or with other drugs is common in poisoning emergency departments of iran. the aim of this study was to evaluate the cardiovascular findings in patients with benzodiazepine poisoning upon admission to the emergency department. methods: in a prospective study which was followed by retrospective analysis, 267 patients poisoned with bzd were evaluated...

Journal: :acta medica iranica 0
mohammad taghi talebian pre-hospital emergency research center, department of emergency medicine, imam khomeini hospital, tehran university of medical sciences, tehran, iran. mohammad mahdi zamani department of anesthesiology and pain medicine, tehran university of medical sciences, tehran, iran. alireza toliat pre-hospital emergency research center, department of emergency medicine, imam khomeini hospital, tehran university of medical sciences, tehran, iran. rezvaneh ghasemzadeh department of medicine, university of wisconsin, madison, wi, usa. morteza saeedi pre-hospital emergency research center, department of emergency medicine, shariati hospital, tehran univeristy of medical sciences, tehran, iran. mehdi momeni pre-hospital emergency research center, department of emergency medicine, shariati hospital, tehran univeristy of medical sciences, tehran, iran.

an electrocardiogram (ecg) leads physicians to diagnose many potentially life-threatening cardiac, metabolic, electrolyte, and toxicological conditions. this study was designed to evaluate the competency of emergency medicine residents (emrs) in comparison with cardiologists in the interpretation of ecg when an interpretation checklist is used. this clinical trial was done in the emergency ward...

ژورنال: :مجله علوم پزشکی رازی 0
حسن یزدانیان hasan yazdanian esfahan university, esfahan, iranدانشگاه اصفهان، اصفهان، ایران امین مهنام amin mahnam esfahan university, esfahan, iranدانشگاه اصفهان، اصفهان، ایران مهدی ادریسی mehdi edrisi esfahan university, esfahan, iranدانشگاه اصفهان، اصفهان، ایران مرتضی آبداراصفهانی دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

زمینه و هدف: قلب نگاری امپدانسی (impedance cardiography-icg) روشی ساده و ارزان برای اندازه گیری غیرتهاجمی و پیوسته­ی (به صورت هولتر) حجم ضربه ای و سایر متغیرهای همودینامیک است. بدین جهت استفاده از این روش در کاربردهای بالینی و پژوهشی در سراسر دنیا به سرعت در حال افزایش است. با توجه به فراگیر نبودن فناوری قلب­نگاری امپدانسی در کشور، هدف این مطالعه معرفی مبانی این فناوری، گزارش توسعه و ساخت یک نم...

Background: Fetal electrocardiography is a developing field that provides valuable information on the fetal health during pregnancy. By early diagnosis and treatment of fetal heart problems, more survival chance is given to the infant.Objective: Here, we extract fetal ECG from maternal abdominal recordings and detect R-peaks in order to recognize fetal heart rate. On the next step, we find a be...

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