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Ablation Of Atrial Flutter:Block (Isthmus Conduction) Or Not A Block, That Is The Question?
Ashish Nabar
Indian Pacing and Electrophysiology Journal , 2002,
Abstract: It is important to identify residual slow conduction and minimize the chance of resumption of conduction after right atrial isthmus ablation to reduce the chance of recurrence of atrial flutter (AFL). The aim of this article is to discuss the best possible way of confirming a bi-directional isthmus conduction (BIC) block after ablation of an isthmus-dependent AFL. A combination of activation and double potential mapping seems to be the most practical way of acutely confirming the BIC block.
Excerpts from Electrophysiology Sessions at the European Society of Cardiology Congress 2002 - Berlin
Ashish Nabar
Indian Pacing and Electrophysiology Journal , 2003,
Abstract: This article is prepared on the basis of presentations given at the Annual Scientific Sessions of the European Society of Cardiology 2002 in Berlin, Germany. Topics discussed are: Current clinical problems encountered with implantable cardioverter defibrillators (ICDs), Biventricular pacing - a resynchronization therapy, Post-operative Tetralogy of Fallot - is the electrophysiologist listening?
A Re-analysis of Our Current Understanding of Isthmus-Dependent Atrial Flutter: Some Gaps, Some Hypotheses.
Ashish Nabar
Indian Pacing and Electrophysiology Journal , 2001,
Abstract: The macro-reentrant circuit of isthmus-dependent atrial flutter (AFL) is located in the right atrium around the tricuspid annulus. High acute success and low recurrence rate makes isthmus ablation a definitive therapy for patients with only AFL. However, a review of the literature suggests that, different aspects of this macro-reentrant circuit are still not entirely understood, while new information continues to emerge. The aim of this article is to discuss some gaps in our complete understanding of isthmus-dependent AFL. Few hypotheses have been stated which are open to investigation.
Effect of plant extracts formulated in different ointment bases on MDR strains
Pawar Pallavi,Nabar Bela
Indian Journal of Pharmaceutical Sciences , 2010,
Abstract: Extracts of Aloe vera whole plant, Eucalyptus globulus leaves, Ficus infectoria bark, Ficus religiosa bark and Piper betel leaves were studied for antibacterial activity on resistant and sensitive strains, isolated from skin and soft tissue infections. A combination of hot alcoholic extracts of Ficus infectoria, Ficus religiosa and Piper betel were found to be more effective against all the isolates. The combined extract was formulated in different ointment bases such as polyethylene glycol, gelatin, sodium alginate, carbopol, cream base and honey. These were then evaluated to find a suitable base for preparation of an ointment. In vitro study of the release of antimicrobials and kill-time studies of the herbal ointments was carried out against multi-drug resistant isolate of Pseudomonas. The ointment showed bactericidal activity within 2 h against the resistant strain of Pseudomonas spp.
Big Data Usage Intention of Management Accountants: Blending the Utility Theory with the Theory of Planned Behavior in an Emerging Market Context  [PDF]
Ashish Varma
Theoretical Economics Letters (TEL) , 2018, DOI: 10.4236/tel.2018.813176
Abstract: This work blends the utility theory with the theory of planned behavior to investigate the management accountant’s (MA) intention in using big data. The study was conducted in early 2017 using a partial least squares-structural equation modeling technique with a sample of 203 MAs in 11 Indian cities. The research identified attitude as the most significant antecedent of intent to use big data followed by the subjective norms. These findings have significant managerial relevance for the firms in sensitizing their accounting teams on the benefits of using big data to achieve more voluntary buy in from the MAs. The investigation also contributes to the methods by illustrating the application of two advanced techniques, multi group analysis (MGA) and importance-performance map analysis (IPMA) in validating the theory of planned behavior in an emerging market context.
Mobile Banking Choices of Entrepreneurs: A Unified Theory of Acceptance and Use of Technology (UTAUT) Perspective  [PDF]
Ashish Varma
Theoretical Economics Letters (TEL) , 2018, DOI: 10.4236/tel.2018.814183
Abstract: This study applies the unified theory of acceptance and use of technology (UTAUT) to investigate the entrepreneurial usage of mobile banking services. The study was conducted during 2017-18 using a partial least squares-structural equation modeling technique. A sample of 206 entrepreneurs, from fourteen sub-urban towns in India, was studied. The study found that mobile banking intentions mediates the relationship between all three; effort expectancy and use behavior, performance expectancy and use behavior and social influence and use behavior. There was no gender-based difference between the banking behavior among the entrepreneurs. The study also validates the UTAUT theory in an emerging market context. These findings are significant as the entrepreneurial choices regarding mobile banking in emerging markets demands more research. Mobile phones have a deep penetration in the emerging markets and so its role in facilitating the banking needs of the entrepreneurs should be ascertained. The study also contributes to the methods by illustrating the use of importance performance map analysis (IPMA) in the UTAUT context.
Qualitative Evidence for a Behavioral Extension of the Expectancy Valence Theory: The Netflix-Twitter-Yakult Case  [PDF]
Ashish Varma
Theoretical Economics Letters (TEL) , 2018, DOI: 10.4236/tel.2018.815212
Abstract: The Netflix movie “To all the boys I’ve loved before” released in the USA on 17th Aug 2018 was linked to a substantial increase in sales of the probiotic drink Yakult. This study probes the phenomenon with an analysis of tweets for the first three weeks after the release of the movie and also assesses reasons for the phenomenon with the theoretical underpinning of the Expectancy Valence (EV) theory. The first section of the study was conducted by undertaking a probe on 1922 tweets made during 17th Aug 2018 (the release date of the movie in the USA) till 6th September 2018. The second part of the study was conducted by taking intensive in-depth interviews of the target segment after 6th September 2018. The study highlights the growing significance of social media in shaping the sentiments by influencing perception and opinion (valence), which eventually influences the sales of products (expectation). The study found out that the sharp increase in sales was due to positive behavioral sentiment created by the social media.
Do Culturally Intelligent Management Accountants Share More Knowledge?—The Mediating Role of Coopetition as Evident from PLS SEM and fsQCA  [PDF]
Ashish Varma
Theoretical Economics Letters (TEL) , 2019, DOI: 10.4236/tel.2019.91009
This work investigates whether management accountants (MA) who have experience of working in multicultural environments are more open to share their knowledge, learning and insights with others or not. The study was conducted in early 2018 by using a Partial Least Squares-Structural Equation Modeling (PLS-SEM) technique with a sample of 107 MAs working in India in 7 different cities and in different multinational organizations. The research identified that coopetition mediated the relationship between cultural intelligence (CQ) and the intention to share knowledge (ISK) as evidenced by both PLS-SEM and fsQCA methods. This finding is significant for both theory and practice as coopetition involves both collaboration and completion amongst the MAs. The Multi Group Analysis (MGA) revealed no significant gender related differences amongst the practicing management accountants. The study also contributes to the methods by illustrating the modelling of the second order construct “cultural intelligence”, formatively. Thus, this study illustrates the use of second order reflective-formative constructs in management accounting literature, for exploring the theory. This architecture can be of significant use for future researchers.
Anonymizing Unstructured Data
Rajeev Motwani,Shubha U. Nabar
Computer Science , 2008,
Abstract: In this paper we consider the problem of anonymizing datasets in which each individual is associated with a set of items that constitute private information about the individual. Illustrative datasets include market-basket datasets and search engine query logs. We formalize the notion of k-anonymity for set-valued data as a variant of the k-anonymity model for traditional relational datasets. We define an optimization problem that arises from this definition of anonymity and provide O(klogk) and O(1)-approximation algorithms for the same. We demonstrate applicability of our algorithms to the America Online query log dataset.
Tracking of Non-Rigid Object in Complex Wavelet Domain  [PDF]
Om Prakash, Ashish Khare
Journal of Signal and Information Processing (JSIP) , 2011, DOI: 10.4236/jsip.2011.22014
Abstract: In this paper we have proposed an object tracking method using Dual Tree Complex Wavelet Transform (DTCxWT). The proposed method is capable of tracking the moving object in video sequences. The object is assumed to be deform-able under limit i.e. it may change its shape from one frame to another. The basic idea in the proposed method is to decompose the image into two components: a two dimensional motion and a two dimensional shape change. The motion component is factored out while the shape is explicitly represented by storing a sequence of two dimensional models. Each model corresponds to each image frame. The proposed method performs well when the change in the shape in the consecutive frames is small however the 2-D motion in consecutive frames may be large. The proposed algorithm is capable of handling the partial as well as full occlusion of the object.
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