congestive heart failure (chf) remains to be one of the major cardiovascular disorders in the world. due to the prevalence of chf related issues, it is prudent to seek out new prognostic predictors that would facilitate the prevention, monitoring, and treatment of the disease on a daily basis. a detection approach using entropy measures extracted from surface electrocardiograms (ecgs) and class...

background differentiating ischemic from nonischemic cardiomyopathy is important both prognostically and therapeutically, although it may be difficult clinically. objectives we aimed to determine the diagnostic power of cardiogoniometry (cgm) in the differentiation of the ischemic from the nonischemic etiology of left bundle branch block (lbbb). patients and methods we studied 37 patients with ...

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hemiscorpius lepturus is medically important scorpion species present in the south and southwest part of iran, causing morbidity and mortality in children and adults. unlike other scorpions studied so far, the venom of h. lepturus is highly cytotoxic, that can be a reason for its complexity in clinical manifestations in patients stung by this scorpion. scarce studies showed the mechanism involv...

We define some families of graphs and show that their graph hypersurfaces relative to coordinate simplices define mixed Tate motives. We show that the corresponding Feynman integrals evaluate to multiple zetas. Let G be a connected graph. To each edge e ∈ EG associate a variable αe, known as a Schwinger parameter, and consider the graph polynomial

Ultramarathon races are rapidly gaining popularity in several countries, raising interest for the improvement of training programs. The aim of this study was to use a triaxial accelerometer to compare the three-dimensional center-of-mass accelerations of two groups of ultramarathon runners with distinct performances during different running speeds and distances. Ten runners who participated in ...

We study the problem of comparing tree-structured data. This problem has applications in several diverse elds, including molecular biology, natural language processing, image and pattern matching, program analysis, document management, and change management in databases [SZ90, NBR88, WZJS94, WCM94, Yan91, WSC97, C3]. Our interest in this problem stems from implementing a subscription service th...