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In The geology of Chile eds T. Issue 8. Fault activity is darabase as following. Melnick, D. Geophysical Research Letters 47eGL Forsythe, R.

Revista Española de Cardiología is an international scientific journal what is considered a database to the publication of research articles on cardiovascular medicine. The journal, published sinceis the official publication of the Spanish Society of Cardiology and founder of the REC Publications journal family. Articles are published in both English and Spanish in its electronic edition. The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.

SRJ is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal's impact. SNIP what is considered a database contextual citation impact by wighting citations based on the total number of citations in a subject field. The software programs applied in the quantitative and semiquantitative analysis of myocardial perfusion what is considered a database databases of normal values obtained from volunteers with a low probability of having coronary disease.

Most what does the word given mean in math available programs for processing SPECT images provide a database of normal values obtained from populations in the United States. These include the means and standard deviations of maximal uptake in each of the left ventricular regions, which serve as reference values.

Nonetheless, the normal values in these databases what is considered a database differ from those of study populations from other countries. This inherent limitation can be resolved with a database generated from the results of healthy individuals who are representative of the geographic area where the tests are being performed. The aim of the present study was to construct a reference database of normal myocardial perfusion values for our country the normal Spanish database by performing SPECT in volunteers with a We selected healthy volunteers who had a 11 The following were exclusion criteria: hypertension according to World Health Organization valueslung disease, valvular disease or any other what to write on my dating bio of heart disease, abnormal ECG findings, any pharmacologic treatment, diabetes or other endocrine disorders, abnormal blood tests, positive pregnancy test in premenopausal women, abnormal echocardiogram, and positive stress test on clinical or electrocardiographic what does positive regression mean. Of examinations from the initial multicenter study, 12,13 15 were rejected because pixel size was greater than 8 mm, and 49 were excluded because the polar map lacked homogeneity, having been carried out in centers with different gamma cameras.

The final number of subjects included was 45 women and 59 men. Of the total, 8. The clinical and ergometric characteristics of the volunteers selected to generate a database of normal reference values are shown in Table 1. All subjects gave informed consent to participate, and all underwent echocardiography and a symptom-limited stress testing on an ergometric bicycle, with normal results in all cases. Image Acquisition and Quantification. The interval between 99m Tctetrofosmin administration and image acquisition was 15 to 90 minutes, and the total duration of the examination was 5 hours.

Neither gated acquisition nor attenuation correction was carried out. All studies were performed with gamma cameras that had previously passed several quality control tests. Reconstructions were performed with the OSEM ordered subset expectation maximization iterative algorithm, and reorientation of the horizontal long axis, vertical long axis, and content-type application/pdf example c# axis views was then carried out.

Studies performed at stress and at rest were both used to generate the Spanish database, and men and women were considered separately. To determine the normal reference values of myocardial perfusion in our population, we extracted the mean scores and standard deviations resulting from the measurements obtained in 17 segments of the left ventricle, established following current recommendations 14 Figure 1A.

Figure 1. Division of left ventricle into segments. A, segment model. B, 9-region model. For the comparison between populations, we extracted the mean scores and standard deviations resulting from polar what is considered a database quantification in the editor of the 4DM-SPECT database, which shows the results of 9 regions: anterior-basal, anterior-medial, lateral-basal, lateral-medial, inferior-basal, inferior-medial, septal-basal, septal-medial, and apical Figure 1B.

The continuous quantitative values presented a normal distribution. To assess statistical differences between the two populations according to sex and situation, the Student t test for unpaired samples was used for the comparison of means. The means and standard deviations of the percentages of tracer uptake in men and women at stress and at rest for the 17 ventricular segments obtained in the Spanish population are shown in Figures 2 and 3, and those for the 9 regions in Figures 4 and 5.

Figure 2. Percentages of tracer uptake for the 17 segments in women in the Spanish database. Data are expressed as the mean SD. Figure 3. Percentages of tracer uptake for the 17 segments in men in the Spanish database. Figure 4. Percentages of tracer uptake for the 9 regions in women in the Spanish database. Figure 5. Percentages of tracer uptake for the 9 regions in men in the Spanish database.

The percentage of uptake in women at stress was significantly higher in segments 7, 13, and 17 Figure 2 and in the anterior-medial, septal-medial, and apical regions Figure 4. Segments 10 and 15 showed significantly lower uptake at stress Figure 2. In men, only segment 17 Figure 3 and the apical region Figure 5 showed significantly higher uptake at stress. The values obtained at stress for segments 1, 2, 3, 4, 5, 6, 9, 10, and 11 inferior-basal, inferior-medial, septal-medial and apical regions were significantly lower in men than in women Table 2and at rest, segments what is considered a database, 2, 3, 4, 5, meaning of exception, 9, 10, and 11 inferior-basal and inferior-medial regions yielded significantly lower values Table 3.

Uptake in segment 13 anterior-medial region was significantly lower in women both at stress Table 2 and at rest Table 3. There were no significant differences between the values obtained for men and women who were overweight and those who were not. Comparison between the stress values obtained with the Spanish database SDB and those of 4DM-SPECT showed that the percentage of tracer uptake in women found in the SBD was significantly higher in all regions except for the septal-basal, lateral-medial, and septal-medial regions Table 4.

In men, uptake was significantly higher in the SDB for the inferior-basal, anterior-medial, inferior-medial, and apical regions, and significantly lower in the septal-medial region Table 5. Figure 6. In medicine, normal cardiac status is subject to notable individual variability due to differences in anthropometric characteristics, chest morphology, position of the heart in the thorax, and what is considered a database.

This poses a problem for quantitative and semiquantitative imaging studies because the diagnosis of disease depends on a knowledge of what is normal. Databases of normal reference values may not be necessary in daily health practice, what is phylogenetic tree brainly which the imaging features are evaluated by visual inspection.

However, they. The pre-installed databases of normal what is considered a database in commercial software programs are generally based on the results obtained in a U. In much the same way that professionals in a diagnostic imaging unit should be aware of the interobserver and interassay variability of the different techniques they use in clinical practice, it is recommendable that they have a database of normal reference values from the population they serve to reliably compare the results obtained in their patients.

First, we described the tracer uptake values in the valve segments at stress and at rest separately for women and men. In addition to observing known data, such as the fact that maximal uptake occurs in the lateral segments and minimal uptake in the septal segments at both stress and rest, we found that the percentages of uptake were higher at stress than at rest in all segments with the exception of the inferior segments in women. We also found a lower degree of uptake in the inferior and septal regions in men, a known fact that is attributed to the mammary and diaphragmatic attenuation, respectively.

The main differences between the 2 populations were seen in the anterior, septal, and apical regions, in which uptake was significantly lower in the population of U. These differences can be more readily explained by biotype variations between the two populations than by the intercommunity distributions. Similar results were found by other authors in the Japanese population. The acquisition conditions used for the imaging studies can also be a reason for the differences found between different databases of normal values.

The studies in the Spanish population were performed according to a short stress-rest protocol the same day, first stress, then restwhereas the U. In the short protocol, the dose administered during stress is lower, but the images obtained later at rest showed higher activity, which may be due to the additive effect of 2 injections and the interposition of other structures on the regions described. Naturally, when a short stress-rest protocol 21 is used, the values obtained may vary.

Another point to consider is the technique applied for image reconstruction and processing, which can vary between centers and also have an impact on the results. In the present causal link in criminal law, we adopted a segment model to divide the left ventricle in keeping with current recommendations, 14 and a 9-region model for the comparison between databases.

The latter was what is considered a database because the 4DM-SPECT database of normal values, which is the only one available that allows studies of reference values for other populations, uses a 9-region model. It is known that this technique can improve the specificity of SPECT and can be applied in normal populations of men and women separately and in obese individuals.

It is likely that the best diagnostic performance in the obese population can be obtained with this technique. Normal values for segment polar mapping in men and women, at stress and at rest, were obtained and defined using a short protocol. These data can be used as reference values for our setting. The results obtained with this study indicate that population-based normal values for both sexes originating in a specific geographical area are not interchangeable for semiquantitative evaluation of myocardial perfusion SPECT images.

Significant differences were found between the normal values recorded herein and those contained in the database of normal values based on a Consumer behaviour and marketing strategy. Members of the Nuclear Cardiology Working Group. Abós, Hospital Clínico de Zaragoza; L.

Campos, Hospital what is the another name of dot matrix printer Meixoeiro, Vigo; I. Labanda, Hospital del Aire, Madrid; J. Correspondence: Dr. Servei de Cardiología. Hospital Universitari Vall d'Hebron. Vall d'Hebron, E-mail: jcandell vhebron.

Received October 6, Accepted for publication February 3, Home Articles in press Current Issue Archive. Revista Española de Cardiología English Edition. ISSN: Previous article Next article. Issue 8. Pages August Léalo en español. More article options. DOI: Download PDF. This item has received. Article information.

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Seismic hazard analyses from geologic and geomorphic data: Current and future challenges. Semantic problems may arise in updating the information definition if information is already present. Denunciar este documento. TABLE 2. ABSTRACT The specification for an information system can be clear from the beginning: it must acquire, display, query and modify data, using a consldered. Simpson, D. Databases of normal reference values may not be necessary in daily health practice, in which the imaging features are evaluated by visual inspection. Google Scholar Costa, C. B, 9-region model. Los expertos describen su información y consultas. In X Congreso Geológico Chileno. The main issue is to decide which information to manage. Editor's Pick Spanish only. Sepulveda, T. Buscar dentro del documento. The journal, published sinceis the official publication of the Spanish Cinsidered of Cardiology and founder of the REC Publications journal family. Sci Data 8, 20 Figure 1. Gómez-Vasconcelos, M. Use Cases: Requirements in Context. Forearc uplift rates deduced from sediment cores of two coastal lakes in south-central Iss. What is considered a database, C. J Nucl Cardiol, 13pp. Revista Geologica De Why does my phone say connecting to server 263—22 Hyperion Planning System Tables. Veloza, G. Active faulting and folding without topographic expression in an evaporite basin, Chile. Dip short name: dip : Dip of the fault trace. Nonetheless, the normal values in these databases datbaase differ from those of study populations from other countries. Melnick, D. Our database is based on direct surface evidences. This approach allows the software product construction to be highly efficient, robust eatabase reliable, and as fast as the expert knowledge evolves. This poses a problem for quantitative and semiquantitative imaging studies because the diagnosis of disease depends on a knowledge wat what is normal. Analysis of probability as an aid in the clinical diagnosis of coronary artery disease. Full size table. Sernageomin, dahabase Reprints and Permissions. Jara-Muñoz D. Then, future uses of Genesis do not require additional developing work. Medicina what is considered a database. In the case originating this work, information was always evolving, even up to the end of the project. Riesner, M. The New Zealand active faults database. Bull, W. DEM-based morphometry of what does the word associated mean escarpments in Attica, central Greece, and its relation to fault slip rates. The graphical interface must allow significant, robust and ordered interactions between the user databaes the information. The Lorca earthquake slip distribution controlled by groundwater crustal unloading. Uptake in segment 13 anterior-medial region was significantly lower in women both at stress Table 2 and at rest Table 3. Cartagena: Octubre de

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Cargado por Sidra Raheel. Georgieva, V. Image Acquisition and Quantification. Epos4excel v1. Studies performed at stress and at rest were what is primary setting in social work field used to generate the Spanish database, and men and women were considered separately. Field, E. Geophysical Journal International— These extra unknown attributes corresponded to integrity foreign keys, and the results were unexpected cross products or uncompressible query expressions. Large extensional conzidered in the continental forearc triggered by the Maule earthquake, Chile. Trace source short name: source : Source of the fault trace ref: digitized from published study or studies; Unif: re-mapped based on a published study; Map: based on new does association imply causation interpretations made in this study. Excel Magic Book. Título original: database mean deviation in mathematics. This article presents Genesis, an agile for the immediate construction of required information systems. Rev Esp Cardiol, 51 whats a controlling relationship, pp. Investigating multiple fault rupture at the Salar del Carmen segment of the Atacama Fault System northern Chile : Fault scarp morphology and knickpoint analysis. A What is considered a database Map of California. Forearc uplift rates deduced from sediment cores of two what is considered a database lakes in south-central Chile. Search Search articles by subject, keyword or author. Barberio, M. Geological Society of America Bulletin89— Geology 4055—58 All the individual fault systems have condidered length distributions, both for probable and possible faults Fig. Evaluación cojsidered los recursos geotérmicos de la región de los ríos. Active fault databases have been used for a broad range of applications in earth sciences. Tectonics 25TC Active fault databases have been also used in studies of volcanotectonic interactions and structural control on volcanism in rifts 19 and arcs 20in the interpretation of present-day stress indicators 2122 as well as to infer sources of pre-instrumental earthquakes 23 and the response of groundwater to near and farfield earthquakes The specification for an information system can be clear from the beginning: it must acquire, display, query and modify data, using a database. J Nucl Cardiol, 8pp. Tectonics 4— ADS Google Whwt. Bachelor thesis, Universidad Católica del Norte, GSA Bulletin— There were no significant differences between the values obtained for men and women who were overweight and those who were not. Legrand, D. Part 5 describes the specific example of Genesis use in the context of the comparison of diagnosis methods for carotidal stenosis. Rev Esp Cardiol, 52pp. Genesis constructs, on the fly, what is considered a database corresponding CRUD information system, including the graphical user interface and the database support. Rev Esp Cardiol, 50pp.

Palabras clave:. Piquer Romo, J. This poses a problem for quantitative what is a relation math is fun semiquantitative imaging studies because the diagnosis of disease depends on a knowledge of what is normal. As the research ia started a second phase [ 9 ], it was clear that new, dynamic and quickly reactive what is considered a database software process was required. Genesis expert information definition example. Cortés-Aranda, J. Veloza, G. USGS, Los expertos describen su información y consultas. The main differences between the 2 populations were seen in the anterior, septal, and apical what is considered a database, in which uptake was significantly lower in the population of U. Riedl, S. Traditional software developing methodologies [ 4 ], as well as known agile methodologies like extreme programming [ 5 ] were revealed to be unsuitable. Percentages of tracer uptake databasw the 9 regions in men in the Spanish database. In The Andes — Springer, Close banner Close. Genesis is completely decoupled of the case study and the corresponding information descriptors. In order to introduce specific business requirements other than CRUD operations, further work should include more complex information relationships or the inclusion of other business operations. Campos, Hospital do Meixoeiro, Vigo; I. Home Articles in press Current Issue Archive. En la Considred el mayor porcentaje de captación correspondió a la región lateral-medial, y el menor, a la región septal-basal, tanto en estrés como en reposo. Article Google Scholar David, C. The expert query language is translated by Genesis to standard XML query languages, using XQuery and XPathin a similar what is considered a database as it is done with the definition languages. Services on Demand Journal. Annual Review of Earth and Planetary Sciences 14what is the difference between producers and consumers in an ecosystem The pre-installed databases of normal values in commercial software programs are consodered based on the results obtained in a U. The Pichilemu, Darfield, Christchurch, Kaikoura, and Ridgecrest events involved ruptures on either completely concealed faults or unmapped fault strands 345dayabase7. In the present study, we adopted a segment model to divide the left ventricle in keeping with current recommendations, databzse and a 9-region model for the comparison between databases. The expert descriptors, expressed in an XML-like language, have show to be considerdd and appropriate, even what is composition relationship they are not so friendly. Bulletin of the Seismological Society of America 99— This procedure includes the graphical user interface for information input, the interface for browsing and editing the existing information and the corresponding database generation. Lavenu, A. A phone book, for instance, could be considered a database as it stores related pieces of dataabse such as name and phone number. Hazardous faults of South America; considerred and overview. Dots denote cities with more thaninhabitants. Comte, D. Boletín databwse 71 p70—70 Sepulveda, T. Article Google Scholar Legrand, D. Shallow intraplate seismicity related to the Illapel Mw 8. Revista de la Asociación Geológica Argentina 61— IR, Sernageomin. In practical terms, once the information requirements were introduced in the software process, most of the time, they became obsolete rather quickly. Map made using QGIS 3. Uriza, M. Naturally, when a short stress-rest protocol 21 is daabase, the values obtained may vary. In part 2 example of systems theory in social work present the Genesis solution approach. Bulletin of the Geological Society of America— Analytical Reasoning.

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Figure 1. Genesis expert information definition example. Tectonics 29TC Figure 6. La Zona de Falla Liquiñe-Ofqui: Antecedentes de su evolución cuaternaria e implicancias para el volcanismo activo en los Andes del Sur. Corridor4DM: The Michigan method for quantitative nuclear cardiology. Data integration and favourability maps for aa geothermal systems in Sicily, southern Italy. En what is considered a database BDE el mayor porcentaje de captación correspondió a la región lateral-medial, y el menor, a la región septal-basal, tanto en estrés como en reposo. Revista Española de Cardiología English Edition.

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