نتایج جستجو برای: atrial
تعداد نتایج: 89001 فیلتر نتایج به سال:
a case of right atrial myxoma in a 5 year old male is presented. the patient was admitted in the pediatric department with systemic manifestations. myxoma was incidentally diagnosed.
Background: Alcohol consumption has multiple side effects on heart which can be divided to six subgroups: Heavy alcohol drinkers (80 g/day alcohol consumption) are most susceptible to cardiac complications. The aim of this study was to review alcohol side effects on heart and two present two alcoholic patients with alcoholic cardiomyopathy. Case report: Case A: A 52 year-old man presented with ...
Background: It is generally accepted that the selective adenosine triphosphate-dependent potassium channel openers (KATP openers) have a dramatic role in the treatment of some cardiovascular disorders. The aim of this study was to investigate the effects of diazoxide, a potent ATP-related potassium channel opener, on spontaneously beating isolated rat atria to achieve more accurate approaches t...
Background: Lack of attention to standardized guidelines has caused tragic outcome in patients with atrial fibrillation and ultimately increase of financial burden imposed on the community structure of the economic system. Therefore, the present study was aimed to assess the exposure of patients with atrial fibrillation. Methods: A total of 506 patients with atrial fibrillation were...
Abstract Background Prolonged P-wave duration and P-wave dispersion indicate interatrial conduction disturbance and early predict arrhythmia especially atrial fibrillation. Iron deposition in the atrial tissue might prolonged the atrial conduction time, and this study evaluated the P-wave prolongation and increased P-Wave dispersion in these patients. Materials and Methods Fifty patients w...
Objective: Inflammation along with oxidative stress has an important role in the pathophysiology of unstable angina which leads to acute myocardial infarction, arrhythmias and eventually heart failure. Curcumin has anti-inflammatory and anti-oxidant effects and thereby, it may reduce cardiovascular complications. This randomized controlled trial aimed to investigate the effects of curcumin on t...
Background: Coronary artery bypass graft surgery (CABG) with cardiopulmonary bypass pump may cause systemic inflammatory reactions by releasing cytokines which leads to multiple organ failure. Vitamin C has anti-inflammatory and antioxidant properties. The study aimed to determine the effect of vitamin C on inflammatory markers and atrial fibrillation in patients undergoing CABG. Materials and ...
conclusions the authors emphasize on the rarity of this pathology among children, its clinical polymorphism, the necessity of a rapid diagnosis, and an appropriate treatment to avoid complications and recurrence of the tumor. introduction right atrial myxoma is a rare disease among children and its clinical presentation is not specific. case presentation we reported a four-year-old girl with ex...
To study whether atrial fibrillation might produce local changes in the atrium which could facilitate the tendency of this arrhythmia to become chronic and self-perpetuating, we compared the effect of atrial fibrillation, atrial pacing, and acute volume loading on the perfusion and oxygen consumption of the atrium in anesthetized dogs. Measurement of atrial perfusion with microspheres indicates...
as fetal compensation against hypoxemia progresses, the afterload on the heart and peripheral vascular resistance increases. eventually, the right heart fails, which is transmitted to the fetal venous system, causing decreased flow during late diastole or atrial contraction and increased resistance in the ductus venosus and inferior vena cava. the ductus has forward flow during atrial contracti...
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