نتایج جستجو برای: sinus arrhythmia
تعداد نتایج: 58328 فیلتر نتایج به سال:
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 ...
UNLABELLED The risk of arterial embolism is well recognised following Direct Current Cardioversion (DCC) for atrial fibrillation although the use of prophylactic anticoagulation remains controversial. AIM To determine the risk of arterial embolism post-cardioversion and which factors predict successful cardioversion and maintenance of sinus rhythm. MATERIALS AND METHODS A retrospective stud...
Case presentation A 32-year-old woman presented with a history of palpitations over the prior 7 days. Twelve-lead ECG indicated an irregular, wide QRS complex tachycardia with a left bundle branch block (LBBB) morphology and a late precordial R/S transition (Panel A). Echocardiography and cardiac magnetic resonance imaging demonstrated no evidence of structural heart disease. This arrhythmia di...
The aim of this study is to investigate whether patients with atrioventricular node reentrant tachycardia (AVNRT) present different structural characteristics of Koch's triangle from patients with atrioventricular (AV) reentrant tachycardia and other control patients. Fifty-eight patients with arrhythmia or chest pain underwent selective coronary sinus angiography so that the diameter of the co...
ATRIAL FIBRILLATION is the characteristic arrhythmia of the advanced stages of mitral stenosis, being present in 40 per cent of such cases. Paradoxically, mitral valve surgery, which relieves the obstruction and reduces the hemodynamic overload of the left atrium, frequently precipitates either transient or permanent atrial fibrillation. The reported incidence of this disorder after mitral oper...
A double-blind randomized comparative study of the pharmacokinetics and pharmacodynamics of a single oral dose of 750 mg or 1250 mg of mefloquine was carried out on 20 Thai male patients with acute uncomplicated falciparum malaria. In the 750-mg group, one patient exhibited an RII response, while the others responded to the treatment with a mean fever clearance time of 50.2 +/- 28.2 hours and a...
The effect of coronavirus infection on QT and QTc intervals of hospitalized patients in Qazvin, Iran
Electrocardiographic (ECG) changes have been investigated in the condition of coronavirus disease (COVID-19) indicating that COVID-19 infection exacerbates arrhythmias and triggers conduction abnormalities. However, specific type ECG abnormalities their impact on mortality fail to fully elucidated. The present retrospective, tertiary care hospital-based cross-sectional study was conducted by re...
Atrial fibrillation (AF) is already the most commonly occurring arrhythmia. Catheter pulmonary vein ablation has emerged as a treatment that is able to make the arrhythmia disappear; nevertheless, recurrence to arrhythmia is very frequent. In this study, it is proposed to perform an analysis of the electrical signals recorded from bipolar catheters at three locations, pulmonary veins and the ri...
Atrial fibrillation is the commonest clinical arrhythmia, is increasing in incidence and prevalence, and is associated with substantial morbidity and mortality. The arrhythmia may be paroxysmal (self-limiting), persistent (amenable to cardioversion), or permanent. Especially in its paroxysmal form, atrial fibrillation may be initiated by rapidly firing foci, generally located in the proximal pu...
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