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Harvard University In patients with syncope episodes detecti
2019-06-01
In patients with syncope episodes, detecting type 1 ECG (spontaneous or drug-induced) and evaluating the characteristics of symptoms are important for determining the indication for ICD implantation. The result of EPS is supportive; however, it should be noted that VF is not induced during EPS in al
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The electrophysiological mechanisms underlying high frequenc
2019-06-01
The electrophysiological mechanisms underlying high frequency activity observed in the PLA during SRAF could be reentry (rotor) or focal discharges (triggered activity). To discriminate between these mechanisms, we perfused ryanodine (10–40μM) or caffeine (5mM) to abolish calcium overload-mediated t
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br Discussion The implant of a CRT device in a
2019-06-01
Discussion The implant of a CRT device in a patient with a resting ejection fraction of 50% represents off-guideline use of this therapy [1]. However, since the patient׳s significant NYHA Class III symptoms, LBBB and exertional ventricular dysfunction achieved evidence-based levels for improvemen
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br Case report A year old man
2019-06-01
Case report A 63-year-old man with a history of longstanding atrial fibrillation (AF) was admitted to our hospital with anterior acute myocardial infarction (AMI). Emergency cardiac catheterization revealed chronic total occlusion of the distal right coronary artery, total occlusion of the proxim
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br Discussion The cardiac manifestations of organophosphorus
2019-06-01
Discussion The cardiac manifestations of organophosphorus poisoning are well known, involving various electrocardiographic abnormalities that may range from sinus tachycardia to ST elevation. Such most common abnormalities are sinus bradycardia, prolonged QT interval, and ST elevation [2–4]. Most
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However despite the strength of the research by
2019-06-01
However, despite the strength of the research by Shawar and colleagues, any given process tracing case study can always be improved. In relation to this Article, the empirical tracing of causal processes could be strengthened further in future research, in particular by telling us more explicitly wh
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It s April and the theme is End malaria for
2019-06-01
It\'s (April 25) and the theme is “End malaria for good”. If I\'m not mistaken, that means eradication. In one of the first Comment pieces ever published, asked “Is it possible? Is it worth it? Should we do it?” and the Myriocin is still divided. Despite remarkable progress in prevention via
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De hecho la Am rica
2019-06-01
De hecho la América poética comparte con estos periódicos especializados un mismo receptor, una misma nómina de suscriptores que gustan de la poesía lírica, un mismo “público ilustrado e igualmente sensible order LY294002 la razón del filósofo y al arte del poeta romántico” (Batticuore: 113). Estas
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Las formas literarias de presentaci n de los textos
2019-06-01
Las formas literarias de presentación de los textos aquí comentados son distintas: estamos frente a una obra de teatro, dos artículos (o capítulos de libro) y un cuento. El establecimiento de una ‘periodización’ de la historia de la literatura mexicana a partir de cuatro etapas —la prehispánica,
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Limitations of meta analyses are often
2019-06-01
Limitations of meta-analyses are often based on the strength of the data available. Only 26% of the eligible studies were judged to be at low risk of overall bias in this analysis. Other studies may have been at low risk for bias but failed to report information necessary for this determination. All
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br Acknowledgments This study was
2019-05-31
Acknowledgments This study was supported by a grant from the National Science Council (NSC 98-2314-B-075B-007-MY2). Introduction Many complications may occur following treatment of femoral shaft open fracture such as nonunion, malunion, delay union, bone defect, bone and joint deformity or st
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In addition to CAF in the primary tumour microenvironment it
2019-05-31
In addition to CAF in the primary tumour microenvironment, it is tempting to speculate that fibroblasts within the bone itself may play a role in the establishment of metastatic deposits. Fibroblasts form a major component of the bone marrow stroma and regulate haematopoiesis by secreting a range of
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ECG changes emerged when creating a substrate map of the
2019-05-31
ECG changes emerged when creating a substrate map of the LV (Fig. 2A), near the inferior mitral valve. A long transseptal sheath was introduced into the LV under intracardiac echocardiography guidance without causing an air-embolism. While performing the LV substrate mapping, the long transseptal sh
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Worldwide there are an estimated
2019-05-31
Worldwide, there are an estimated 1 112 727 specialist surgeons (IQR 1 059 158–1 177 912), 550 134 anaesthesiologists (529 008–572 916) and 483 357 obstetricians (456 093–517 638; ). Low-income and lower-middle-income countries, representing 48% of the global population, have 20% of this workforce,
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The measurement of the PPI of DP following entrainment
2019-05-31
The measurement of the PPI of DP following entrainment pacing usually consists of measuring the interval between the last capturing stimulus and the next DP. This technique is generally based on the assumption that, in the presence of 1:1 capture, pacing depolarizes the zone of slow conduction in t
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