Academic literature on the topic 'Divers Alert Network'

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Journal articles on the topic "Divers Alert Network"

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Wachholz, Chris. "Divers Alert Network (DAN)." Canadian Anaesthetists’ Society Journal 32, no. 1 (January 1985): 97. http://dx.doi.org/10.1007/bf03008548.

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Jendle, Johan, and Peter Adolfsson. "Continuous Glucose Monitoring Diving and Diabetes: An Update of the Swedish Recommendations." Journal of Diabetes Science and Technology 14, no. 1 (February 2, 2019): 170–73. http://dx.doi.org/10.1177/1932296819826584.

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Divers travel to different countries to explore various diving sites worldwide. In 2005, the Divers Alert Network (DAN) published their guidelines for recreational diving and diabetes mellitus. However, although years have passed, there is still no consensus in the form of international guidelines on diabetes and diving. Large differences are noted with regard to the regulations in different countries. Furthermore, the diabetes technology has evolved rapidly and is not reflected in current international guidelines. This is potentially both a medical and an insurance problem for a diver with diabetes. We present a short summary of the recently updated Swedish recommendations for recreational divers with type 1 diabetes mellitus, focusing on the use of continuous glucose monitoring and continuous subcutaneous insulin infusion during such circumstances.
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Robert, Jacalyn J. "Decompression Sickness in Women Recreational Scuba Divers." Women in Sport and Physical Activity Journal 8, no. 1 (April 1999): 47–54. http://dx.doi.org/10.1123/wspaj.8.1.47.

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Recreational sport diving is becoming an increasingly popular sport for women. Women now comprise approximately 25% of the diving community according to Divers Alert Network statistics. In the diving literature it has been stated that women are at a greater risk for decompression sickness than men. Most of these statements were derived from high-altitude (hypobaric environment) studies rather than from a scuba diving (hyperbaric) environment. Data from the naval diving and salvage training center were analyzed, and it was found that women are not more susceptible to decompression sickness than men during dives between 4 and 10 atmospheres. More specific studies on sport diving should be completed on factors contributing to underwater decompression sickness in both men and women.
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Ranapurwala, Shabbar I., Kristen L. Kucera, and Petar J. Denoble. "The healthy diver: A cross-sectional survey to evaluate the health status of recreational scuba diver members of Divers Alert Network (DAN)." PLOS ONE 13, no. 3 (March 22, 2018): e0194380. http://dx.doi.org/10.1371/journal.pone.0194380.

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Taylor, Simone E., David McD Taylor, Daisy Pisasale, Kyle Booth, and John Lippmann. "Regular medication use by active scuba divers with a declared comorbid medical condition and victims of scuba and snorkelling-related fatalities." Diving and Hyperbaric Medicine Journal 51, no. 3 (September 30, 2021): 264–70. http://dx.doi.org/10.28920/dhm51.3.264-270.

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Introduction: The aim of this study was to describe the nature of regular medications taken by active comorbid scuba divers (having a declared medical comorbidity) and scuba divers and snorkellers who died following a diving incident. Methods: We undertook a retrospective, observational study from July to October, 2020. Data on 268 active comorbid divers were obtained through a 2013 survey of Divers Alert Network Asia-Pacific members. Data on 126 deceased scuba divers and 175 deceased snorkellers were obtained predominantly from 2001–2013 reports to Australian State Coronial Services. Results: The active comorbid divers were significantly older, less likely to be male, and more likely to be taking one or more medications than the two deceased subject groups (P < 0.001). Cardiovascular, endocrine and psychotropic medications accounted for 53.4%, 9.9% and 6.4% of all medications taken, respectively. Almost one tenth of the deceased divers took at least one psychotropic medication, a proportion significantly greater than the other groups (P = 0.01). Conclusions: Medication use among active comorbid divers is common which likely reflects their declared medical condition. Nevertheless, they appear to be diving relatively safely, often with conditions once thought to be absolute contradictions to scuba diving. The deceased divers took significantly more psychotropic medications. It is possible that their underlying psychological/psychiatric conditions rendered them more at risk of a diving incident. Increased vigilance for psychological conditions may need to be considered during diving medical examinations.
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Pierleoni, Paola, Lorenzo Palma, Alberto Belli, Massimo Pieri, Lorenzo Maurizi, Marco Pellegrini, and Alessandro Marroni. "An EMD-Based Algorithm for Emboli Detection in Echo Doppler Audio Signals." Electronics 8, no. 8 (July 24, 2019): 824. http://dx.doi.org/10.3390/electronics8080824.

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Divers’ health state after underwater activity can be assessed after the immersion using precordial echo Doppler examination. An audio analysis of the acquired signals is performed by specialist doctors to detect circulating gas bubbles in the vascular system and to evaluate the decompression sickness risk. Since on-site medical assistance cannot always be guaranteed, we propose a system for automatic emboli detection using a custom portable device connected to the echo Doppler instrument. The empirical mode decomposition method is used to develop a real-time algorithm able to automatically detect embolic events and, consequently, assess the decompression sickness risk according to the Spencer’s scale. The proposed algorithm has been tested according to an experimental protocol approved by the Divers Alert Network. It involved 30 volunteer divers and produced 37 echo Doppler files useful for the algorithm’s performances evaluation. The results obtained by the proposed emboli detection algorithm (83% sensitivity and 76% specificity) make the system particularly suitable for real-time evaluation of the decompression sickness risk level. Furthermore, the system could also be used in continuous monitoring of hospitalized patients with embolic risks such as post surgery ones.
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Kojima, Yasushi, Akiko Kojima, Yumi Niizeki, and Kazuyoshi Yagishita. "Recreational diving-related injury insurance claims among Divers Alert Network Japan members: Retrospective analysis of 321 cases from 2010 to 2014." Diving and Hyperbaric Medicine Journal 50, no. 2 (June 30, 2020): 92–97. http://dx.doi.org/10.28920/dhm50.2.92-97.

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Scarff, Christopher W., John Lippmann, and Andrew W. Fock. "A review of diving practices and outcomes following the diagnosis of a persistent (patent) foramen ovale in compressed air divers with a documented episode of decompression sickness." Diving and Hyperbaric Medicine Journal 50, no. 4 (December 20, 2020): 363–69. http://dx.doi.org/10.28920/dhm50.4.363-369.

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(Scarff CW, Lippmann J, Fock AW. A review of diving practices and outcomes following the diagnosis of a persistent (patent) foramen ovale in compressed air divers with a documented episode of decompression sickness. Diving and Hyperbaric Medicine. 2020 December 20;50(4):363–369. doi: 10.28920/dhm50.4.363-369. PMID: 33325017.) Introduction: The presence of a persistent (patent) foramen ovale (PFO) increases the risk of decompression sickness (DCS) whilst diving with pressurised air. After the diagnosis of a PFO, divers will be offered a number of options for risk mitigation. The aim of this study was to review the management choices and modifications to diving practices following PFO diagnosis in the era preceding the 2015 joint position statement (JPS) on PFO and diving. Methods: A retrospective study was conducted of divers sourced from both the Alfred Hospital, Melbourne and the Divers Alert Network Asia-Pacific during the period 2005–2015. Divers were contacted via a combination of phone, text, mail and email. Data collected included: diving habits (years, style and depths); DCS symptoms, signs and treatment; return to diving and modifications of dive practices; history of migraine and echocardiography (ECHO) pre- and post-intervention; ECHO technique(s) used, and success or failure of PFO closure (PFOC). Analyses were performed to compare the incidence of DCS pre- and post-PFO diagnosis. Results: Seventy-three divers were interviewed. Sixty-eight of these returned to diving following the diagnosis of PFO. Thirty-eight underwent PFOC and chose to adopt conservative diving practices (CDPs); 15 chose PFOC with no modification to practices; 15 adopted CDPs alone; and five have discontinued diving. The incidence of DCS decreased significantly following PFOC and/or adoption of conservative diving practices. Of interest, migraine with aura resolved in almost all those who underwent PFOC. Conclusions: Many divers had already adopted practices consistent with the 2015 JPS permitting the resumption of scuba diving with a lowering of the incidence of DCS to that of the general diving population. These results support the recommendations of the JPS.
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Dunford, Richard. "Diver's alert network." Annals of Emergency Medicine 14, no. 3 (March 1985): 278. http://dx.doi.org/10.1016/s0196-0644(85)80462-5.

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Ng, Desmond. "The social dynamics of diverse and closed networks." Human Systems Management 23, no. 2 (June 3, 2004): 111–22. http://dx.doi.org/10.3233/hsm-2004-23206.

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Inherent to the dynamics of social networks is a paradoxical trade-off between closed networks that promote cooperation and efficiency and diverse networks that are flexible to new resources and ideas. Since actors cannot simultaneously maximize both facets of a network, this has created a sharp debate on the social capital performance of closed and diverse network relationships. Research on this social capital debate has often focused on these described network affects without explaining the origins and dynamics of network performance. This paper advances a cognitive diversity approach that is based upon the subjective and alert behaviors of Austrian entrepreneurs. These are key causal drivers to this paper's theoretical model of social dynamics and performance of closed and diverse networks. Such network behavior is subsequently modeled as a Complex Adaptive system. Using agent-based simulation, an agent-based model of entrepreneurship and social network dynamics is constructed to test the relationships described by the proposed theoretical model. The simulation results support the described hypothesized relationships. These findings also suggest the benefits of closed and diverse networks are logically distinct and, thus, should not be viewed as an either-or phenomenon. Agent-based simulation results show entrepreneurs can construct a balanced network of closed and diverse networks to optimize the benefits of both networks.
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Dissertations / Theses on the topic "Divers Alert Network"

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Heisler, Bryan. "Communication Architecture and Protocols for an Underwater Stray Diver Alert System." Thesis, 2013. http://hdl.handle.net/10214/5622.

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In scuba diving any problem that can be solved underwater will be solved underwater. This helps to prevent a dive from being disrupted. If a diver is separated from the group and is unable to find the group within a short time both the diver and dive group must surface to find each other and rejoin. To prevent the separation of divers a Stray Diver Alert System has been devised involving wireless communication to track the diver's position relative to the dive masters. Underwater communication holds many challenges that are not found in above water networks. Through simulation, it has been shown that the communication requirements for the Stray Diver Alert can be met with existing technology and protocols. This has been done by evaluating the resolution, power consumption and physical size of the device for three different communication protocols. This has shown that current technology is capable of meeting the requirements of the stray diver alert system.
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Books on the topic "Divers Alert Network"

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T, Joiner James, ed. To the very depths: A memoir of Professor Peter B. Bennett, Ph.D., D.Sc. Flagstaff, AZ: Best Publishing, 2008.

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Doreen, Wood, Bennett Peter B, and Westerfield Renée, eds. The Best of Alert Diver: The magazine of Divers Alert Network. Flagstaff, Ariz: Best Pub. Co., 1997.

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Book chapters on the topic "Divers Alert Network"

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Ozyigit, Tamer, Cuneyt Yavuz, Massimo Pieri, S. Murat Egi, Bahar Egi, Corentin Altepe, Danilo Cialoni, and Alessandro Marroni. "Data Mining on Divers Alert Network DSL Database: Classification of Divers." In Advances in Data Mining. Applications and Theoretical Aspects, 96–109. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41561-1_8.

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Wachholz, C. J., P. B. Bennett, J. A. Dovenbarger, R. D. Vann, A. Marroni, Y. Mano, A. M. Sera, N. Yamami, M. Shibayama, and T. Nakayami. "The Divers Alert Network: Epidemiology of Diving Accidents." In Handbook on Hyperbaric Medicine, 249–79. Milano: Springer Milan, 1996. http://dx.doi.org/10.1007/978-88-470-2198-3_8.

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Dodge Jr., Ronald C., and Daniel Ragsdale. "Deploying Honeynets." In Information Security and Ethics, 1562–79. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-937-3.ch106.

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When competent computer network system administrators are faced with malicious activity on their networks, they think of the problem in terms of four distinct but related activities: detection, prevention, mitigation, and response. The greatest challenge of these four phases is detection. Typically, detection comes in the form of intrusion detection system (IDS) alerts and automated application and log monitors. These however are fraught with mischaracterized alerts that leave administrators looking for a needle in a haystack. One of the most promising emerging security tools is the honeynet Honeynets are designed to divert the malicious user or attacker to non-production systems that are carefully monitored and configured to allow detailed analysis of the attackers’ actions and also protection of other network resources. Honeynets can be configured in many different ways and implemented from a full DMZ to a carefully placed file that is monitored for access.
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Wilson, Mark I., and Kenneth E. Corey. "The alert model." In Knowledge-Based Urban Development, 82–100. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-720-1.ch005.

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This chapter is presented especially for the use of practicing planners. Practicing planners, as intended here, are broadly defined and inclusive as a set of local stakeholders. Given the widespread need to develop an active civil society, it is important that representative local actors, and diverse urban and regional stakeholders engage in developing their communities intelligently over sustained long-term futures. Practicing planners in this context include, but are not limited to professional urban and regional planners. Citizens and other professionals, such as business persons, bureaucrats from all levels of government, employees from nongovernmental public organizations and their volunteers, and other individuals all have stakes in, and contributions to make to the development of their city-region in the relatively new context of a globalizing and increasingly knowledge-based world economy and networked society. The chapter, therefore, presents the background to these new development dynamics and it introduces the ALERT model. In the form of a conceptual framework, the model is a planning support system designed for the use of the diverse and wide-ranging stakeholder-planning practitioners who seek to engage planning in the steering of these new technology-enabled and knowledge-based development forces to attained desired outcomes. The ALERT model is not so much directly prescriptive, rather it is directional and relational with the intention that engaged planning practitioners will design and tailor their own planning processes to be responsive to local demand and need. At its best, the model can catalyze and stimulate the stakeholders to invent their own strategies that capitalize on the unique assets and development potential of the locality’s communities.
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Rajkumar, Rajasekaran. "Wireless Heartrate Monitoring Along Prioritized Alert Notification Using Mobile Techniques." In Hospital Management and Emergency Medicine, 230–43. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2451-0.ch013.

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The increasing number of problems that need to be addressed in the hospital sector calls for innovation in this field. It brings us the need to find cost-effective and memory-efficient solutions to handle the vast data and sector it into essential information to operate on the patient. There used to be many systems to manage clinical records which are fixed at a place. It is quite complicated to get the information and make this data available at a patient's bedside. This leads to a considerable amount of wasted time in moving to those storage PCs and also the cost afforded is comparatively high. A computer system that controls and accomplishes all the data in the hospital database to provide effective healthcare is called hospital information system (HIS). The introduction of HIS made billing and inventor easier for the staff. This paper discusses diverse methods that improve the cost, demands of HIS, and provide techniques to function efficiently using wireless networks. Also, the paper gives a comparative study on different aspects such as cost, quality of service, transportation, and security. A new system is proposed by combining the wireless healthcare system along prioritized alert notification.
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Conference papers on the topic "Divers Alert Network"

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Nakamura, Matthew, Noah Hafner, and Joseph J. Brown. "Distributed Sensor System for Underground Fuel Storage Facility Monitoring and Leak Detection." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24190.

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Abstract This work presents a sensor system to monitor environmental conditions in the vicinity of fuel storage tanks and facilities, providing measurements to help assess tank integrity and identify spills or leaks. The system utilizes a common hardware platform for multiple functional areas (e.g. base stations and sensing nodes) in the sensor network, simplifying manufacturing and logistics. The hardware platform was designed for low-cost manufacturing, adaptability, and versatility. It uses commercial off-the-shelf electronics in 3D-printed enclosures that were designed to optimize sensor and communication antenna placement. Pairing this hardware platform with a web-based data storage system and display client provides real-time telemetry visualization for monitoring tank facility conditions and can alert operators of potential leaks and hazards. The sensor system provides advances over current techniques in the form of scalability, cost minimization, live data reporting, and localization for active monitoring. Modularity reduces the engineering effort for adaptations to use new sensors in diverse environments, which can have different factors that lead to failures, and also allows the system to be updated as technology progresses. Data collected in experimental testing validates system functionality and ability to detect factors associated with spills and leaks.
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Escobedo, Ernesto, Liliana Arguello, Marzia Sepe, Ilaria Parrella, Stefano Cioncolini, and Carmine Allegorico. "Enhanced Early Warning Diagnostic Rules for Gas Turbines Leveraging on Bayesian Networks." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16082.

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Abstract The monitoring and diagnostics of Industrial systems is increasing in complexity with larger volume of data collected and with many methods and analytics able to correlate data and events. The setup and training of these methods and analytics are one of the impacting factors in the selection of the most appropriate solution to provide an efficient and effective service, that requires the selection of the most suitable data set for training of models with consequent need of time and knowledge. The study and the related experiences proposed in this paper describe a methodology for tracking features, detecting outliers and derive, in a probabilistic way, diagnostic thresholds to be applied by means of hierarchical models that simplify or remove the selection of the proper training dataset by a subject matter expert at any deployment. This method applies to Industrial systems employing a large number of similar machines connected to a remote data center, with the purpose to alert one or more operators when a feature exceeds the healthy distribution. Some relevant use cases are presented for an aeroderivative gas turbine covering also its auxiliary equipment, with deep dive on the hydraulic starting system. The results, in terms of early anomaly detection and reduced model training effort, are compared with traditional monitoring approaches like fixed threshold. Moreover, this study explains the advantages of this probabilistic approach in a business application like the fleet monitoring and diagnostic advanced services.
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