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The atrioventricular (AV) node plays a central role during atrial fibrillation (AF).We have recently proposed a statistical AV node model defined by parameters characterizing the arrival rate of atrial impulses, the probability of an impulse choosing the slower of the two AV nodal pathways, the refractory periods of the pathways, and the prolongation of refractory periods. All model parameters are
This paper introduces a number of advancements of our recently proposed model of atrioventricular (AV) node function during atrial fibrillation (AF). The model is defined by parameters characterizing the arrival rate of atrial impulses, the probability of an impulse choosing either one of the two AV nodal pathways, the refractory periods of these pathways, and their prolongation. In the updated mo
This brief presents an on-chip memory subsystem for massive multiple-input-multiple-output (MIMO) baseband processing at the base station. In massive MIMO systems, the required memory bandwidth and capacity are orders of magnitude higher than those used in conventional wireless systems, due to the large number of serving antennas. These are further combined with design targets on low access latenc
ACLA 2017, Seminar with Richard Hibbitt: ”Other Capitals of the Nineteenth Century”Annika Mörte Alling, Lund UniversityParis and Stockholm in the novels Illusions Perdues de Balzac and The Red Room by August StrindbergI propose to study the conceptions of Paris and Stockholm in the two realist novels Illusions Perdues by Honoré de Balzac (1837-1843) and The Red Room (1879) by August Strindberg, pe
Samlingen av medeltida kyrklig konst från Skåne på Historiska museet i Lund är unik sett till både kvantitet och kvalitet. Här finns nära en tredjedel av landskapets kyrkor representerade och träskulpturen omspänner allt från verk av lokala konstnärer till firade mästare från kontinenten. På museets tredje våning kan besökaren se det mesta och det bästa i en närmast tidlös installation, designad a
The collection of medieval Scanian church art at the Historical museum of Lund is unique as to both quantity and quality. Here, nearly a third of the churches in the province are represented and the wood sculpture encompasses everything from works by local artists to celebrated masters from the continent. On the second floor of the museum the visitor can see most and the best of it in a nearly tim
"This account of the Historical Museum and Archaeological Research at Lund University 1805-2005 consists of two parts; a reprint of the history of the Museum including the Archaeological Department until 1984, published that year, and a part comprimising the development during the subsequent twenty years. It describes and discusses the changges and, if possible, the causes of change.The author, Be
Human milk provides a very wide range of nutrients and bioactive components, including immune factors, human milk oligosaccharides, and a commensal microbiota. These factors are essential for interconnected processes including immunity programming and the development of a normal infant gastrointestinal microbiome. Newborn immune protection mostly relies on maternal immune factors provided through
Purpose: The purpose of the study was to identify serum microRNAs providing a link between male subfertility and metabolic syndrome (MetS) and validate their diagnostic potential. Methods: Sera were analyzed for fertility and MetS-related parameters in subfertile men (n = 79) and controls (n = 38). Literature review identified miR-155-5p, miR-122-5p, miR-200a-3p, and miR-200c-3p which previously w
Introduction: Dark chocolate has shown beneficial effects on cardiovascular health and might also modulate hypertensive complications in pregnancy and uteroplacental blood flow. Increased uteroplacental resistance is associated with systemic arterial stiffness. We aimed to investigate the short-term effect of flavonoid-rich chocolate on arterial stiffness and Doppler blood flow velocimetry indexes
OBJECTIVE:: Arterial stiffening increases with age and is associated with increased cardiovascular risk. Several risk factors have been shown to predict the development of arterial stiffening; however, a positive family history (FH+) of cardiometabolic disease (CMD) and hypertension has not been extensively studied. We hypothesize that FH+ of CMD plays a significant role in the development of arte
Background: Since the introduction of high-sensitivity troponin assays a greater proportion of atrial fibrillation (AF) patients present with dynamic troponin elevations. We hypothesize that significant coronary artery disease (CAD) causes relative ischemia in the setting of a rapid heart rate resulting in dynamic troponin elevation. The aim of this study was to examine if patients without known C
BACKGROUND:: Pneumococcal conjugate vaccine (PCV) was introduced in 2000. The first 7-valent vaccine was followed by a 13-valent vaccine (PCV13) with the same conjugate, and a 10-valent vaccine (PCV10), conjugated to protein D from H. influenzae. The vaccines offer some protection against pneumococcal acute otitis media (AOM), and, with PCV10, possibly also some protection against H. influenzae AO
This is a protocol for a Cochrane Review (Overview). The objectives are as follows: To summarize the evidence from systematic reviews regarding the effects and safety of pharmacological interventions related to pain and sedation management in order to prevent GMH-IVH in ventilated preterm infants.
Background: Atypical lipomatous tumor (ALT), well differentiated liposarcoma (WDLS) and dedifferentiated liposarcoma (DDLS) are cytogenetically characterized by near-diploid karyotypes with no or few other aberrations than supernumerary ring or giant marker chromosomes, although DDLS tend to have somewhat more complex rearrangements. In contrast, pleomorphic liposarcomas (PLS) have highly aberrant
