Divers Alert Network

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International Divers Alert Network
AbbreviationIDAN
Purpose Scuba diving safety
Headquarters Durham, North Carolina
Location
  • 6 West Colony Place
    Durham, NC 27705
    United States
Region served
Worldwide, in cooperation with associates.
  • DAN Asia Pacific
  • DAN Brasil
  • DAN Europe
  • DAN Japan
  • DAN Southern Africa

Divers Alert Network (DAN) is a group of not-for-profit organizations dedicated to improving diving safety for all divers. It was founded in Durham, North Carolina, United States, in 1980 at Duke University providing 24/7 telephonic hot-line diving medical assistance. Since then the organization has expanded globally and now has independent regional organizations in North America, Europe, Japan, Asia-Pacific and Southern Africa. [1]

Contents

The DAN group of organizations provide similar services, some only to members, and others to any person on request. Member services usually include a diving accident hot-line, and diving accident and travel insurance. Services to the general public usually include diving medical advice and training in first aid for diving accidents. DAN America and DAN Europe maintain databases on diving accidents, treatment and fatalities, and crowd-sourced databases on dive profiles uploaded by volunteers which are used for ongoing research programmes. They publish research results and collaborate with other organizations on projects of common interest.

Function

DAN has an international network of emergency call centers which operate 24 hours a day to provide members with specialized assistance for diving emergencies from a group of experts in Diving and Hyperbaric Medicine [2]

History

In 1977, Undersea Medical Society (later the Undersea and Hyperbaric Medical Society) introduced the concept of a national organization (to replace LEO-FAST at Brooks Air Force Base, directed by Colonel Jefferson Davis, M.D.) where a diving medicine specialist could be contacted by telephone 24 hours a day. Dr. Peter B. Bennett received a two-year grant from National Oceanic and Atmospheric Administration (NOAA) and National Institute for Occupational Safety and Health (NIOSH) in September 1980 to form the "National Diving Accident Network" at the Frank G. Hall Hyperbaric Center at Duke University Medical Center in Durham, North Carolina. [3] [4]

In 1981, DAN published its "Underwater Diving Accident Manual". [5] The Hyperbaric Center received 305 calls for information and assistance. DAN implemented a medical/safety advisory telephone line to handle questions from recreational divers with non-emergency questions in 1982. [3] This change was followed by a name change from "Diving Accident Network" to "Divers Alert Network" and hosted the first annual Diving Accident and Hyperbaric Treatment continuing medical education course at the Duke University Medical Center. [3]

In 1983 International Diving Assistance (IDA), later to become DAN Europe, was founded by dr. Alessandro Marroni as a 24-hour per day diving emergency assistance service, set up as a membership organization, with specific insurance benefits since the start. [6]

In 1984, federal grant monies were decreased (50 percent in 1982 and then by 25 percent in 1983) and support now comes exclusively from divers and the diving industry. [3]

In 1985 DAN started a 'sponsor program' for clubs, stores and corporations, [3]

In 1987 the Civil Alert Network (CAN) began assisting diving emergencies in Japan, under the guidance of prof. Yoshihiro Mano of the University of Tokyo Medical School. [6] This would become DAN Japan. Also in 1987, DAN started the first dive accident insurance program for members. After the introduction of this program the membership numbers doubled to 32,000 in 1988. [3]

The IRS granted DAN its 501(c)(3) non-profit status in 1990. [3] The organization continues to be associated with Duke University Medical Center, but moved its offices from the Frank G. Hall Labs to off campus office space. In 1991 DAN introduced its first training course 'Oxygen First aid Training Program' and DAN Travel Assist. In the same year the 'Flying After Diving' research trials began.

The need for an international organisation that would be available to all divers, wherever they dived around the world, became increasingly apparent and, during a meeting at DAN Headquarters in Durham, N.C., US, in February 1991, the process to form an International DAN was started. The four existing organisations decided to adopt the common name of DAN. [6] and International DAN – also known as IDAN – was established to support the regional IDAN members - DAN America, DAN Europe, DAN Japan, and DAN Asia-Pacific. [3] [7]

In 1992 Emergency medical evacuation, was added as a member benefit, and DAN was awarded the Undersea and Hyperbaric Medical Society's Craig Hoffman Diving Safety Award in June of that year for its significant contributions to the health and safety of recreational divers. [3] In September the first DAN Instructor Training Workshop was held, and the Oxygen First Aid Training program was introduced to Europe.

1993 saw DAN open an insurance company 'Accident General Insurance'.

Dan Asia Pacific was founded in 1994 under the name DAN Australia by Australian diver, John Lippmann OAM, after dual approaches from DAN America and Dr John Williamson of the Australian Diver Emergency Service (DES) to "establish a DAN entity in the Asia-Pacific." [8] [9]

DAN Southern Africa joined the IDAN in 1996 with Frans Cronjé, M.D. as CEO [6] By 1996 Oxygen First Aid Training was being taught in seven continents. [3]

DAN introduced other diving related first aid training courses – 'Oxygen first aid for aquatic emergencies' (1998), 'Remote Oxygen (REMO2) (1999), Hazardous Marine Life Injuries (2000), Automatic External Difibrillation (AED) (2001) and Advanced Oxygen Provider (2002). [3] DAN moved to its new, permanent headquarters, the Peter B. Bennett Center. [3]

Dr. Bennett received the 2002 Diving Equipment and Marketing Association Reaching Out Award for his contribution to the dive industry and the Carolinas' Ernst and Young Entrepreneur of the Year 2002 award for contributions to business in the life sciences. [3] [4] He announced his retirement as DAN President effective June 30, 2003 [10] After Bennett resigned as DAN President and CEO, DAN Executive Vice President and Chief Operating Officer Dan Orr, MS was named acting president and CEO. [3] DAN established the Peter B. Bennett Research Fund, within the Endowment Fund to support research initiatives, enhancing dive safety into the future. [11]

In 2004, Michael D. Curley, Ph.D. was named DAN America President and CEO. [12] In 2006, Dr. Curley stepped down and Mr. Orr was named as the DAN President and CEO. In February 2009, DAN launched a web site for their bi-monthly magazine "Alert Diver Online". [13]

DAN reported membership numbers worldwide for 2019 as: DAN US/Canada, 274,708; DAN Europe, 123,680; DAN Japan, 18,137; DAN World Asia Pacific, 12,163; DAN World Latin America/Brazil, 8,008; DAN Southern Africa, 5,894. [14]

IDAN

International DAN (IDAN) comprises independently administered nonprofit DAN organizations based around the world that provide expert emergency medical and referral services to regional diving communities. Each DAN depends on the support of the divers of its region to provide its safety and educational services, and may provide locally appropriate insurance options. They operate under protocol standards set by the IDAN Headquarters. [15]

DAN (America) serves as the headquarters for IDAN. [15]

DAN America

Divers Alert Network America
AbbreviationDAN America
Formation1980 (1980)
Type NGO
Legal status 501(c)(3) association
Purpose Scuba diving safety
Headquarters Durham, North Carolina
Location
  • 6 West Colony Place
    Durham, NC 27705
    United States
Region served
United States & Canada
Membership
> 230,000 (Feb. 2016)
President/CEO
Bill Ziefle
Main organ
Board Of Directors
Subsidiaries
  • DAN Asia Pacific
  • DAN Europe
  • DAN Japan
  • DAN Southern Africa
Website www.dan.org
Formerly called
National Diving Accident Network

Divers Alert Network America, DAN America, or just DAN is a non-profit 501(c)(3) organization devoted to assisting divers in need. It is supported by donations, grants, and membership dues. Its research department conducts medical research on recreational scuba diving safety while its medical department helps divers to find answers to their diving medical questions. Regions of coverage include the United States and Canada. [15]

DAN Asia-Pacific

Divers Alert Network Asia-Pacific
AbbreviationDAN Asia-Pacific
Purpose Scuba diving safety
Headquarters49A Karnak Road, Ashburton, 3147
Location
  • Victoria, Australia
Region served
Australia, China, India, Korea, New Zealand, the South Pacific, Southeast Asia and Taiwan
Membership
10,561 (June 2014)

Divers Alert Network Asia Pacific Limited (DAN Asia Pacific) is a diving safety organization founded in 1994 and has not-for-profit incorporation in Australia as a public company limited by guarantee. [16] The address for legal, operational and administrative purposes is 49A Karnak Road, Ashburton, Victoria, 3147, Australia. [17] It previously traded under the following names - Divers Alert Network (DAN) S.E. Asia-Pacific Limited and DAN Australasia Limited. [18]

It is funded by membership subscriptions, insurance commissions, training courses, product sales and other undisclosed sources. [19]

Membership as of June 2014 totalled 10,561. [19]

Its region of operation includes Australia, China, India, Korea, New Zealand, the South Pacific, Southeast Asia and Taiwan. [7]

Services

Medical hotlines

DAN Asia Pacific promotes the use of 24-hour emergency hotline services in Australia, New Zealand and Korea. It fully funds the operation of the Australian hotline, the Diving Emergency Service, which is based in the Hyperbaric Medical Unit at the Royal Adelaide Hospital in South Australia and which provides medical consultancy service for diving-related emergencies on a 24-hour basis within and outside of Australia. [20] [21] [22]

Medical advice

Insurance cover

As of 2016, DAN Asia Pacific provides insurance cover for its members in Australia underwritten by Honan Insurance Group Pty Ltd and cover for its members residing outside of Australia underwritten by Accident & General Insurance Company, Ltd. [23] [24]

Training

DAN Asia Pacific provides training and certification for divers, professional rescuers and the general public in respect to diving and general first aid. It also trains and qualifies instructors to provide this training. It has status in Australia as a registered provider of vocational education under the Australian government's Australian Qualifications Framework. [25] As of 2016, it offers the following training courses including some which have national recognition in Australia: [26] [27] [28]

  • Oxygen for dive accidents
  • Basic oxygen administration
  • First aid programs
  • Automated external defibrillators
  • Cardiopulmonary resuscitation
  • Anaphylaxis
  • Advanced oxygen provision
  • First aid for hazardous marine life injuries
  • On-site neurological assessment
  • Instructor training

Membership

DAN Asia Pacific offers the following membership classes: [29]

Research

Examples of DAN Asia Pacific research projects: [30]

DAN Brasil

Region of coverage is Brazil. [15]

DAN Europe

Divers Alert Network Europe
AbbreviationDAN Europe
Formation1983 (1983)
Type NGO
Legal statusNot for profit European Foundation
Purpose Scuba diving safety
HeadquartersC. da Padune 11,
Location
  • 64026 Roseto Italy
Region served
Europe, Mediterranean, Middle East, Red Sea, Persian Gulf, north-east Africa
Membership
> 100,000
President and Chief Executive
Prof. Alessandro Marroni. M.D.
AffiliationsFounding member of International DAN
Website www.daneurope.org/web/guest/home
Formerly called
International Diving Assistance (IDA)

Divers Alert Network Europe (DAN Europe) is an international non-profit medical and research organization founded in 1983. [31] The legal address is 26, Triq Fidiel Zarb, Gharghur NXR07, Malta, but the operational and administrative address is C. da Padune 11, 64026 Roseto Italy [32]

The Foundation is primarily funded through the membership fees paid annually by individual supporters, and also through contributions by public or private individuals or organisations, through the sale of goods and services related to its statutory activities, and fund raising schemes, subsidies or sponsorships in order to finance specific projects such as medical and scientific research. [32] Membership (Feb. 2016) exceeds 100,000. [31]

Region of coverage includes geographical Europe, other countries bordering the Mediterranean Sea, the countries on the shores of the Red Sea, the Middle East including the Persian Gulf, the countries on the shores of the Indian Ocean north of the equator and west of (not including) India and Sri Lanka, and their overseas territories, districts and protectorates. [15]

Services

DAN Europe provides expert information and advice for the benefit of its members and the diving public, including: [31]

Medical hotline

DAN Europe provides its members with medical assistance in case of a diving emergency, 24/7 and from anywhere in the world. [33] There is an international line for use when the member is abroad, and each country has a national emergency number. [33]

  • When the emergency is in the diver's country of residence, the national hotline is used and the case is managed locally from the national center, according to Standard DAN Europe protocol. [33]
  • When the emergency occurs outside of the diver's country of residence. the central DAN Europe hotline is used. A diver who calls from abroad is normally put into contact with a DAN specialist of the same language as the victim, so that the case may be evaluated without language difficulties. [33]
  • If the accident occurred in an area where a national DAN centre exists, the local centre will manage the emergency in coordination with the Rome centre and the specialist from the victim's home country. [33]
  • If the accident occurred in a country without a national DAN centre, the intervention will be managed directly by the central DAN Europe hotline. [33]

Medical advice

For non-urgent diving medical information DAN Europe has a number of articles on the website, an FAQ page, and if the information needed was not available from those resources, there is an email form to request information. Specialised medical advice is reserved to active DAN Members. [34]

Insurance cover

DAN Europe provides insurance cover for members underwritten by International Diving Assurance. [35]

Technical

Since 1997 the Recompression Chamber Assistance and Partnership Program has been available to provide recompression chambers operators with equipment, training and emergency assistance, to help ensure that they are available, in good condition and safe when needed. [36]

Training

DAN Europe provides training and certification for divers professional rescuers and the general public and in aspects of first aid, and trains instructors to provide this training. [37]

Courses available include: [37]

  • Oxygen First Aid for Scuba Diving Injuries
  • Advanced Oxygen First Aid for Scuba Diving Injuries
  • First Aid for Hazardous Marine Life Injures
  • Automated External Defibrillation
  • Basic Life Support
  • First Aid
  • Oxygen first aid for aquatic emergencies
  • On-Site Neurological Assessment for Divers
  • Medical Oxygen Rebreather
  • Dive Medicine for Divers (DMFD)
  • Paediatric Basic Life Support
  • Diving Medical Technician
  • Instructor Qualification Course

Membership

Membership classes of DAN Europe include: [32]

Research

Examples of DAN Europe research projects: [38]

  • Gathering data on circulating gas bubbles and analysing the data.
  • "The economy of decompression": Optimization of ascent profiles.
  • Investigating the causes of unexplained diving incidents.
  • Stress in recreational diving.
  • Risk of decompression illness relating to patent foramen ovale.
  • Managing asthma and diabetes in diving.
  • Physiology and pathophysiology of breath-hold in adults and children.
  • Hypothermia and diving.
  • Headache and diving.
  • Blood changes associated with diving.
  • Decompression sickness risk when travelling by air after diving.
  • Physiological effects of rebreather diving.
  • Effects of decompression stress on endothelial stem cells and blood cells.
  • Early biomarkers for decompression stress.
  • The effects of normobaric oxygen on blood and in first aid for decompression illness.

DAN Japan

Region of coverage includes Japan, Japanese islands and related territories, with regional IDAN responsibility for Northeast Asia-Pacific. [15]

DAN Southern Africa

Divers Alert Network Southern Africa
AbbreviationDAN SA
Formation17 January 1997 (17 January 1997)
Type NGO
Legal statusSection 21 not for profit company
Purpose Scuba diving safety
Headquarters Midrand, Gauteng, South Africa
Location
  • Rosen Office Park, DAN Building, Halfway Gardens, Midrand 1685
Region served
Africa south of the equator and Indian Ocean islands
Membership
>5000 (October 2018)
CEO
Mr Morne Christou
Main organ
Board Of Directors
Staff
Five full time staff, twelve on-call diving doctors
Website www.dansa.org

Divers Alert Network Southern Africa is a Public Benefit Organization with the primary purpose to provide emergency medical advice and assistance for underwater diving injuries, to work to prevent injuries and to promote dive safety.

DAN SA also promotes and supports research and education relating to the improvement of dive safety, medical treatment and first aid, and provides information on dive safety, diving physiology and diving medical issues of common concern to the diving public. Legal advice relating to diving matters is also available. The organisation is funded by membership fees, training fees, donations and the sale of branded first aid, safety and promotional products.[ citation needed ]

Regions of coverage include South Africa, Angola, Botswana, Comoros, Kenya, Lesotho, Madagascar, Malawi, Mauritius, Mozambique, Namibia, Seychelles, Swaziland, Tanzania, Zaire, Zambia, and Zimbabwe. [15]

Timeline

Services

Medical hotline

DAN South Africa provides emergency hotline for diving and evacuation emergencies. Response staff and diving medicine specialists are on call 24 hours a day, 365 days a year, to provide information and assist with care coordination and evacuation assistance. A toll-free 0800 number is available for calls from within South Africa, and an international number for calls from outside South Africa which is not toll-free. [40] [41] [42]

Medical advice

DAN SA also provides a diving medical information service. During business hours this can be accessed by telephone or e-mail. Other related information is available from a FAQ and articles on the website. They are linked to the South African Underwater and Hyperbaric Medical Association (SAUHMA) diving medical practitioner database, and maintain an international list of diving medical practitioners for referral. [40]

DAN has access to legal professionals with an interest in diving and who are experienced in local, regional and international law. Members who are in need of legal assistance can contact DAN via email. DAN staff will consider requests and, if appropriate, refer the member to an appropriate legal expert within the network, who will make appropriate suggestions to the member on how best to represent or defend their interests. [43]

Insurance cover

DAN SA is not an insurance company. It has a group insurance policy from AIG South Africa which allows it to extend emergency cover to members for specific diving, travel and medical emergencies. Cover is limited according to membership level. [39]

Cover includes: [39]

  • Medical expenses for treatment of injuries which occur in the water and are a direct consequence of diving or snorkelling activities.
  • Emergency medical expenses while travelling outside country of residence.
  • Evacuation costs to nearest appropriate medical treatment facilities for incidents in categories above.

Technical

A joint project of DAN SA and Subaquatic Safety Services (SSS) Network established the Zanzibar Hyperbaric Chamber, which is the only publicly available hyperbaric facility in East Africa. [44]

Training

DAN SA provides training and certification for divers in aspects of diving first aid, and trains instructors to provide this training.

Courses available include: [45]

  • Oxygen First Aid for Scuba Diving Injuries
  • Advanced Oxygen First Aid for Scuba Diving Injuries
  • First Aid for Hazardous Marine Life Injures
  • Automated External Defibrillators (AED) for Scuba Diving
  • Basic Life Support
  • DAN First Aid
  • On-Site Neurological Assessment for Divers
  • Diving Medicine for Divers (DMFD)
  • Diving Emergency Management Provider (DEMP) Programme: This is a package of:
  • Oxygen First Aid for Scuba Diving Injuries
  • Advanced Oxygen First Aid for Scuba Diving Injuries
  • Automated External Defibrillators (AED) for Scuba Diving
  • First Aid for Hazardous Marine Life Injuries
  • The Diving Emergency Specialist (DES)
  • Instructor Qualification Course
  • Instructor Trainer Workshop

Membership

Several options for membership of DAN SA are available: [46]

Research

DAN SA cooperates with DAN Europe and the University of Stellenbosch in gathering crowdsourced data for decompression and other diving physiology and medicine, and diving accident research projects. Most of these are long term projects, but annual statistical reports are published, and contributing divers can get immediate feedback on relative risk of their uploaded dive profiles. [47]

Alert diver (SA edition)

The Alert Diver is a magazine containing information on dive medicine, the latest DAN statistics, and research, safety and training advice by DAN staff. It is published twice-yearly in paper and digital versions. Non-members can download the digital version of the Alert Diver for a nominal fee. [48]

DAN World

Regions of coverage include the Bahamas, British and U.S. Virgin Islands, Caribbean, Central and South America, Guam, Micronesia and Melanesia (except Fiji), Puerto Rico, and any other places not covered by the regional organisations. [15]

Research

Completed programs

Ongoing programs

Publications

DAN publishes research results on a wide range of matters relating to diving safety and medicine and diving accident analysis, including annual reports on decompression illness and diving fatalities. Many are freely available on the internet.[ citation needed ]

The magazine "Alert Diver" is published by some of the regional branches, including the US, Europe, and Southern Africa, in paper and electronic formats. Although the different publications may occasionally reprint material from each other, they generally contain different content. Article topics generally include diving physiology, medicine, safety, and diving destinations. [51] [52] [53]

Conferences

Rebreather Forum 3

In May 2012, DAN along with the American Academy of Underwater Sciences and the Professional Association of Diving Instructors hosted the Rebreather Forum 3 (RF3) which was organised by Rosemary E Lunn. This three-day safety symposium was convened to address major issues surrounding rebreather technology, and its application in commercial, media, military, scientific, recreational and technical diving. Experts, manufactures, instructor trainers, training agencies and divers from all over the world discussed this technology and shared information. Associate Professor Simon J Mitchell chaired the final session at RF3 and, as a result, 16 key consensus statements were agreed and ratified by the global rebreather community. [54]

In media

See also

Related Research Articles

<span class="mw-page-title-main">Technical diving</span> Extended scope recreational diving

Technical diving is scuba diving that exceeds the agency-specified limits of recreational diving for non-professional purposes. Technical diving may expose the diver to hazards beyond those normally associated with recreational diving, and to a greater risk of serious injury or death. Risk may be reduced via appropriate skills, knowledge, and experience. Risk can also be managed by using suitable equipment and procedures. The skills may be developed through specialized training and experience. The equipment involves breathing gases other than air or standard nitrox mixtures, and multiple gas sources.

<span class="mw-page-title-main">Diving medicine</span> Diagnosis, treatment and prevention of disorders caused by underwater diving

Diving medicine, also called undersea and hyperbaric medicine (UHB), is the diagnosis, treatment and prevention of conditions caused by humans entering the undersea environment. It includes the effects on the body of pressure on gases, the diagnosis and treatment of conditions caused by marine hazards and how relationships of a diver's fitness to dive affect a diver's safety. Diving medical practitioners are also expected to be competent in the examination of divers and potential divers to determine fitness to dive.

<span class="mw-page-title-main">Scuba diving</span> Swimming underwater, breathing gas carried by the diver

Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. The name scuba is an anacronym for "Self-Contained Underwater Breathing Apparatus" and was coined by Christian J. Lambertsen in a patent submitted in 1952. Scuba divers carry their own source of breathing gas, usually compressed air, affording them greater independence and movement than surface-supplied divers, and more time underwater than free divers. Although the use of compressed air is common, a gas blend with a higher oxygen content, known as enriched air or nitrox, has become popular due to the reduced nitrogen intake during long or repetitive dives. Also, breathing gas diluted with helium may be used to reduce the effects of nitrogen narcosis during deeper dives.

<span class="mw-page-title-main">Diver rescue</span> Rescue of a distressed or incapacitated diver

Diver rescue, usually following an accident, is the process of avoiding or limiting further exposure to diving hazards and bringing a diver to a place of safety. A safe place generally means a place where the diver cannot drown, such as a boat or dry land, where first aid can be administered and from which professional medical treatment can be sought. In the context of surface supplied diving, the place of safety for a diver with a decompression obligation is often the diving bell.

<span class="mw-page-title-main">Underwater diving</span> Descending below the surface of the water to interact with the environment

Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred to as diving, an ambiguous term with several possible meanings, depending on context. Immersion in water and exposure to high ambient pressure have physiological effects that limit the depths and duration possible in ambient pressure diving. Humans are not physiologically and anatomically well-adapted to the environmental conditions of diving, and various equipment has been developed to extend the depth and duration of human dives, and allow different types of work to be done.

<span class="mw-page-title-main">Diver training</span> Processes to develop the skills and knowledge to dive safely underwater

Diver training is the set of processes through which a person learns the necessary and desirable skills to safely dive underwater within the scope of the diver training standard relevant to the specific training programme. Most diver training follows procedures and schedules laid down in the associated training standard, in a formal training programme, and includes relevant foundational knowledge of the underlying theory, including some basic physics, physiology and environmental information, practical skills training in the selection and safe use of the associated equipment in the specified underwater environment, and assessment of the required skills and knowledge deemed necessary by the certification agency to allow the newly certified diver to dive within the specified range of conditions at an acceptable level of risk. Recognition of prior learning is allowed in some training standards.

<span class="mw-page-title-main">Decompression practice</span> Techniques and procedures for safe decompression of divers

To prevent or minimize decompression sickness, divers must properly plan and monitor decompression. Divers follow a decompression model to safely allow the release of excess inert gases dissolved in their body tissues, which accommodated as a result of breathing at ambient pressures greater than surface atmospheric pressure. Decompression models take into account variables such as depth and time of dive, breathing gasses, altitude, and equipment to develop appropriate procedures for safe ascent.

<span class="mw-page-title-main">Fitness to dive</span> Medical fitness of a person to function safely underwater under pressure

Fitness to dive, specifically the medical fitness to dive, is the medical and physical suitability of a diver to function safely in the underwater environment using underwater diving equipment and procedures. Depending on the circumstances, it may be established with a signed statement by the diver that they do not have any of the listed disqualifying conditions. The diver must be able to fulfill the ordinary physical requirements of diving as per the detailed medical examination by a physician registered as a medical examiner of divers following a procedural checklist. A legal document of fitness to dive issued by the medical examiner is also necessary.

<span class="mw-page-title-main">Neal W. Pollock</span> Canadian researcher in diving physiology and hyperbaric medicine

Neal Pollock is a Canadian academic and diver. Born in Edmonton, Canada he completed a bachelor's degree in zoology; the first three years at University of Alberta and the final year at the University of British Columbia. After completing a master's degree he then served as diving officer at University of British Columbia for almost five years. He then moved to Florida and completed a doctorate in exercise physiology/environmental physiology at Florida State University.

<span class="mw-page-title-main">Decompression equipment</span> Equipment used by divers to facilitate decompression

There are several categories of decompression equipment used to help divers decompress, which is the process required to allow divers to return to the surface safely after spending time underwater at higher ambient pressures.

Scuba diving fatalities are deaths occurring while scuba diving or as a consequence of scuba diving. The risks of dying during recreational, scientific or commercial diving are small, and on scuba, deaths are usually associated with poor gas management, poor buoyancy control, equipment misuse, entrapment, rough water conditions and pre-existing health problems. Some fatalities are inevitable and caused by unforeseeable situations escalating out of control, though the majority of diving fatalities can be attributed to human error on the part of the victim.

The Diving Medical Advisory Council (DMAC) is an independent organisation of diving medical specialists, mostly from across Northern Europe which exists to provide expert advice about medical and some safety aspects of commercial diving. The advice is published in the form of guidance documents, which are made available for download.

Diving safety is the aspect of underwater diving operations and activities concerned with the safety of the participants. The safety of underwater diving depends on four factors: the environment, the equipment, behaviour of the individual diver and performance of the dive team. The underwater environment can impose severe physical and psychological stress on a diver, and is mostly beyond the diver's control. Equipment is used to operate underwater for anything beyond very short periods, and the reliable function of some of the equipment is critical to even short-term survival. Other equipment allows the diver to operate in relative comfort and efficiency, or to remain healthy over the longer term. The performance of the individual diver depends on learned skills, many of which are not intuitive, and the performance of the team depends on competence, communication, attention and common goals.

<span class="mw-page-title-main">History of scuba diving</span> History of diving using self-contained underwater breathing apparatus

The history of scuba diving is closely linked with the history of the equipment. By the turn of the twentieth century, two basic architectures for underwater breathing apparatus had been pioneered; open-circuit surface supplied equipment where the diver's exhaled gas is vented directly into the water, and closed-circuit breathing apparatus where the diver's carbon dioxide is filtered from the exhaled breathing gas, which is then recirculated, and more gas added to replenish the oxygen content. Closed circuit equipment was more easily adapted to scuba in the absence of reliable, portable, and economical high pressure gas storage vessels. By the mid-twentieth century, high pressure cylinders were available and two systems for scuba had emerged: open-circuit scuba where the diver's exhaled breath is vented directly into the water, and closed-circuit scuba where the carbon dioxide is removed from the diver's exhaled breath which has oxygen added and is recirculated. Oxygen rebreathers are severely depth limited due to oxygen toxicity risk, which increases with depth, and the available systems for mixed gas rebreathers were fairly bulky and designed for use with diving helmets. The first commercially practical scuba rebreather was designed and built by the diving engineer Henry Fleuss in 1878, while working for Siebe Gorman in London. His self contained breathing apparatus consisted of a rubber mask connected to a breathing bag, with an estimated 50–60% oxygen supplied from a copper tank and carbon dioxide scrubbed by passing it through a bundle of rope yarn soaked in a solution of caustic potash. During the 1930s and all through World War II, the British, Italians and Germans developed and extensively used oxygen rebreathers to equip the first frogmen. In the U.S. Major Christian J. Lambertsen invented a free-swimming oxygen rebreather. In 1952 he patented a modification of his apparatus, this time named SCUBA, an acronym for "self-contained underwater breathing apparatus," which became the generic English word for autonomous breathing equipment for diving, and later for the activity using the equipment. After World War II, military frogmen continued to use rebreathers since they do not make bubbles which would give away the presence of the divers. The high percentage of oxygen used by these early rebreather systems limited the depth at which they could be used due to the risk of convulsions caused by acute oxygen toxicity.

<span class="mw-page-title-main">Outline of underwater diving</span> List of articles related to underwater diving grouped by topical relevance

The following outline is provided as an overview of and topical guide to underwater diving:

Investigation of diving accidents includes investigations into the causes of reportable incidents in professional diving and recreational diving accidents, usually when there is a fatality or litigation for gross negligence.

<span class="mw-page-title-main">Index of underwater diving: N–Z</span> Alphabetical listing of underwater diving related topics

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide information on each topic are listed with a short description of the topic. When there is more than one article with information on a topic, the most relevant is usually listed, and it may be cross-linked to further information from the linked page or section.

<span class="mw-page-title-main">Index of underwater diving: A–M</span> Alphabetical listing of underwater diving related topics

The following index is provided as an overview of and topical guide to underwater diving:

References

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  2. Staff. "Emergency procedures". DAN Europe website. Divers Alert Network Europe. Retrieved 21 February 2016.
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  23. "DAN dive injury insurance - (for residents of Australia)". DAN Asia Pacific. Retrieved 24 February 2016.
  24. "DAN – Asia Pacific diving accident insurance plans" (PDF). DAN Asia Pacific. Retrieved 24 February 2016.
  25. "4659 - Divers Alert Network (DAN) Asia-Pacific Limited". National Register on Vocational Education and Training, Australian government. Retrieved 23 February 2016.
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  27. "Other DAN courses – not nationally recognised". DAN Asia-Pacific. Archived from the original on 2 March 2016. Retrieved 23 February 2016.
  28. "DAN instructor courses". DAN Asia-Pacific. Archived from the original on 2 March 2016. Retrieved 23 February 2016.
  29. "Application for DAN Membership". DAN Asia-Pacific. Archived from the original on 2 March 2016. Retrieved 24 February 2016.
  30. "DAN Research". DAN Asia Pacific. Retrieved 24 February 2016.
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  32. 1 2 3 Staff. "Statute and By-laws". DAN Europe website. Divers Alert Network, Europe. Retrieved 18 February 2016.
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  37. 1 2 Staff. "Training Programs". DAN Europe website. Divers Alert Network Europe. Retrieved 18 February 2016.
  38. Staff. "Our Projects". DAN Europe website. Divers Alert Network Europe. Archived from the original on 21 February 2016. Retrieved 18 February 2016.
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  53. Vann, R.D.; Denoble, P.J.; Pollock, N.W., eds. (2014). Rebreather Forum 3 Proceedings (PDF). Durham, NC: AAUS/DAN/PADI. ISBN   978-0-9800423-9-9. Archived from the original (PDF) on 17 July 2014. Retrieved 26 February 2015.