Sight Search

Posts with the tag “covid-19-updates”

0
Over-the-Counter Medications
April 22nd, 2021
By definition, over-the-counter (OTC) medications are the classification of drugs considered safe for consumer use based solely on their labeling. When used as directed, they present a minimum risk an...  Read More
by DAN Team
0
High-Pressure Ophthalmology
April 22nd, 2021
Our eyes normally exist in a world where the pressure around them is the result of the combined weight of all of the gases in the earth’s atmosphere. Diving exposes the eyes to increased pressure. Whi...  Read More
by DAN Team
0
Member to Member: Guidelines for Seniors
April 22nd, 2021
As divers get older, DAN® recommends getting annual physicals, staying active and fit, diving within physical limits and avoiding difficult or dangerous diving conditions.There is little concrete advi...  Read More
by DAN Team
0
Seasickness Prevention and Treatment
April 22nd, 2021
Some of the world’s best dive sites are accessible only by boat, and unfortunately seasickness prevents some scuba divers from visiting their dream destinations. Unmanaged seasickness will make any bo...  Read More
by DAN Team
0
Juggling Physical Exercise and Diving
April 16th, 2021
If you want to dive, you need to be ready. Readiness entails medical, psychological and physical fitness, appropriate knowledge and adequate physical skills. If you exercise regularly at an intensity ...  Read More
by DAN Team
0
Risk Factors For Heart Disease
April 16th, 2021
Heart health is essential to the safety of all divers, symptoms of heart conditions are often subtle or easily missed. In some cases, the first indication of a serious cardiac problem may be a heart a...  Read More
by DAN Team
0
Health Concerns for Divers Over 50
April 16th, 2021
Getting older doesn’t have to mean give up on diving, but divers over 50 should be aware of common medical issues that may interfere with safe diving. Heart disease, respiratory disease and musculoske...  Read More
by DAN Team
0
When to Consult a Health-Care Provider Before Engaging in Physical Activities
April 16th, 2021
Date: 15 December 2013 | Author Petar Denoble MD, DSc. Physical activity (PA) is beneficial for health, but the transition from a sedentary lifestyle to PA or a change in the level of habitual PA may ...  Read More
by DAN Team
0
Diving After Bariatric Surgery
April 16th, 2021
I’m an instructor, and I have a student who completed his pool sessions, but he had gastric bypass surgery before he could do his open-water dives. Before I allow him to continue with his training, I’...  Read More
by DAN Team
0
Fitness for Diving
April 16th, 2021
There are moments when scuba diving feels effortless: drifting over a shallow reef or descending through clear water toward a sandy bottom. But diving can also be strenuous — when swimming against a c...  Read More
by DAN Team
0
Diving after COVID-19: What We Know Today
April 15th, 2021
COVID-19 symptoms range from mild to severe. Some people have no symptoms at all while others require complicated stays in ICUs with ventilatory support to recover. In addition to the impact of the pr...  Read More
by DAN Team
0
Scuba Diving and Diabetes
April 15th, 2021
For many years the medical community discouraged people with diabetes from scuba diving. A Divers Alert Network® (DAN®) survey in 1996, however, revealed that nearly 200 of its members were divers wit...  Read More
by DAN Team
0
Your Lungs and Diving
April 15th, 2021
Date: 1 May 2017 | Author:By Jack Meintjes, MBChB, DOM, FCPHM(SA) Occ Med, MMed Diving imposes significant challenges to the respiratory system. Lung conditions are among the most common reasons peopl...  Read More
by DAN Team
0
Wisdom Tooth Extraction and Diving
April 15th, 2021
Wisdom teeth are permanent molars that usually emerge during the late teens or early twenties. It’s not uncommon for these teeth to be associated with pain or complications. Dentists often recommend h...  Read More
by DAN Team
0
Flying After Diving
April 15th, 2021
When flying after diving, the ascent to altitude increases the risk of decompression sickness (DCS) because of the additional reduction in atmospheric pressure. The higher the altitude, the greater th...  Read More
by DAN Team
0
Unexpected Weight Loss
April 15th, 2021
A dropped weight belt caused a runaway ascentReported StoryTowards the end of the dive, at about 6 m (20 ft) depth, my weight belt fell off (the buckle came loose from the strap). I exhaled and dumped...  Read More
by DAN Team
0
Unintended Rapid Ascent Due to Uncontrolled Inflation
April 15th, 2021
A runaway ascent ends the diving on a liveaboard holidayReported StoryDiving from a liveaboard near a remote island in South America, I was hanging out on a coral ledge at 93 fsw (28 msw) watching Ham...  Read More
by DAN Team
0
How to Avoid Rapid Ascents and Arterial Gas Embolism
April 15th, 2021
Decompression illness (DCI) is a term used to describe two conditions: decompression sickness (DCS) and arterial gas embolism (AGE). AGE is one of the most serious medical emergencies a diver may expe...  Read More
by DAN Team
0
Top 5 Factors That Increase Your Risk of the Bends
April 15th, 2021
The Bends, also known as decompression sickness (DCS) occurs when nitrogen bubbles form in the blood, often causing severe joint pain. The common name “The Bends” comes from an affected person doublin...  Read More
by DAN Team
0
Treating Decompression Sickness (The Bends)
April 15th, 2021
Decompression sickness (DCS) is one of the most common problems reported to Divers Alert Network® (DAN®). Although scuba diving accidents are rare, it’s important to know how to handle suspected cases...  Read More
by DAN Team
0
On-Site Neurological Examination
April 15th, 2021
Information regarding an injured diver’s neurological status will be useful to medical personnel not only for deciding the initial course of treatment but also in the effectiveness of treatment. Exami...  Read More
by DAN Team
0
Decompression Illness
April 15th, 2021
Author: Ed Thalmann, M.D. Decompression illness, or DCI, is associated with a reduction in the ambient pressure surrounding the body. DCI encompasses two diseases, decompression sickness (DCS) and art...  Read More
by DAN Team
0
Alternobaric Vertigo
April 15th, 2021
Alternobaric vertigo occurs during descent, ascent or immediately after surfacing from a dive and is caused by unequal pressure stimulation in each ear.Mechanisms of InjuryDuring an ascent, the air in...  Read More
by DAN Team
0
Middle-Ear Equalisation
April 15th, 2021
Middle-ear equalisation is a basic, essential diver skill that equalises the pressure in the sinuses and middle-ear spaces with the ambient pressure. To be a safe diver and avoid middle-ear injuries, ...  Read More
by DAN Team
0
Inner-Ear Barotrauma (IEBT)
April 15th, 2021
Inner-ear barotrauma is damage to the inner ear due to pressure differences, usually caused by incomplete or forceful equalisation. A leak of inner-ear fluid (perilymph fistula) may or may not occur. ...  Read More
by DAN Team
0
Sinus Barotrauma
April 15th, 2021
Sinus barotraumas are among the most common diving injuries. When the paranasal sinuses fail to equalise to barometric changes during vertical travel, damage to the sinus can cause sharp facial pain w...  Read More
by DAN Team
0
Mask Squeeze (Facial Barotrauma)
April 15th, 2021
OverviewMask squeeze (mask barotrauma or facial barotrauma) results from a failure to equalise the air space created between your mask and face. In most cases this is a relatively benign injury. It te...  Read More
by DAN Team
0
O’Neill Grading System
April 15th, 2021
The O’Neill grading system is a way to categorise the severity of middle-ear barotrauma (MEBT). It is simple and is intended to provide consistency in diagnosis with sufficient details to direct treat...  Read More
by DAN Team
0
Middle-Ear Barotrauma (MEBT)
April 15th, 2021
Middle-ear barotrauma (ear squeeze) is the most common dive injury. It occurs when pressure in the air space of the middle ear is not equalised to the ambient pressure. It can cause a ruptured eardrum...  Read More
by DAN Team
0
Headaches and Diving
April 15th, 2021
Many divers have experienced a headache after a dive with it eventually clearing and no lasting side effects. But when headaches are a recurring issue for divers, that’s when it becomes concerning. To...  Read More
by DAN Team
0
Patent Foramen Ovale (PFO)
April 15th, 2021
Patent foramen ovale (PFO) is a common congenital heart defect. It is a hole between the right and left sides of the heart. The foramen ovale is the wall separating the atria. Prior to birth, the fora...  Read More
by DAN Team
0
Hypertension
April 15th, 2021
Hypertension (high blood pressure) is a common medical condition among the general population and divers.Blood pressure is a measure of the force with which blood pushes outward on the arterial walls....  Read More
by DAN Team
0
Cardiovascular Fitness and Diving
April 15th, 2021
Scuba diving exposes you to many effects, including immersion, cold, hyperbaric gases, elevated breathing pressure, exercise and stress, as well as a post-dive risk of gas bubbles circulating in your ...  Read More
by DAN Team
0
The Safety of Sports for Athletes With Implantable Cardioverter-Defibrillators
April 15th, 2021
Date: 11 December 2013 | Author: Petar Denoble, MD, D.Sc. Current recommendations for patients with implantable cardioverter-defibrillators (ICDs) advise against participating in sport that are more v...  Read More
by DAN Team
0
Fitness Myth or Fitness Fact?
April 15th, 2021
1 August 2016 | Author: Jessica B. Adams. Ph.D. When planning an effective fitness program, it is important to separate fact from fiction. Fitness folklore spreads quickly because many people are dra...  Read More
by DAN Team
0
Experience
April 15th, 2021
Date: 16 November 2016 | Author: Karl Shreeves Although it is clear that diving experience reduces divers’ risk of injury, experience is an imprecise term that conjures different ideas in different pe...  Read More
by DAN Team
0
Guidelines for Lifelong Medical Fitness to Dive
April 14th, 2021
Date: 4 August 2020 To promote divers’ medical fitness to dive throughout their lives, Divers Alert Network® (DAN®) created and published the Guidelines for Lifelong Medical Fitness to Dive. This docu...  Read More
by DAN Team
0
Diver Return After COVID-19 Infection (DRACO): A Longitudinal Assessment
April 14th, 2021
Date: August 2020  If you have been infected with COVID-19, have recovered and are planning to or have already returned to diving, please consider signing up for our study. The initial survey will tak...  Read More
by DAN Team

Categories

 2022
immersion and bubble formation 232bar AGE AIDA Accident management Accidents Acid reflux Acute ailments Advanced courses Rescue diver Aerobic exercise After anaesthesia Aged divers Air Quality Air exchange centre Air hose failure Air supply Airway control Air Alert Diver Magazine Algorithms Alice Cattaneo Alice Modolo Alternate Airsources use Alternater Air Source Alternative gas mix Altitude changes Altitude diving Altitude sickness Aluminium Oxide Ama divers Amino acids Amos Nachoum Anaerobic Metabolism Animal life Annual renewal Antarctica Anxiety Apea Apex predators Apnea Apnoea Aqua corps Aquatic creatures Aquatic life Aquatics and Scuba Diving Archaeology Argonaut octopus Argonauts Argon Arrythmia Arterial Gas Embolisms Arterial gas embolism Arthroscopic surgery Aspirin Audible signals Aurel hygiene Australian Flat backed Australia BCD BHP BLS BWARF Baacterial infections Back adjustment Back pain Back treatment Backextensors Backmount CCR Badages Bag valve mask Bahamas Balancing Bandaids Barbell back squat Barometric pressure Barotrauma Basic Life Support Basslets Batteries Beach entry Beached coral Becky Kaga Schott Becky Kagan Schott Beluga whales Bench press Bends Benign prostate hyperplasia Benzophenones Beth Neale Beyond Standards Big Sur Bilikiki Tours Biophysics Black Blood flow Blood pressure Blood thinners Blue Desert Blue Wilderness Blue economy Blue heron Bridge Blurred vision Boat diving Boat safety Bobbit worm Boesmans gat Boesmansgat Bonaire Bone fractures Bouyancy compensators Bouyancy controls Boyle's Law Boyle\'s Law Bradycardia Brain Brandon Cole Breast Cancer Breath Hold Diving Breath hold diver Breath holding Breath hold Breath-hold Breathing Gas Breathing gas contamination Breathing Breathold diving Bright Bank Broken bones Bruising Bubble detection Bubbleformation Buddy Exercise Buddy checks Buoyancy Burnshield CCR CGASA CMAS CO2 COVID-19 Updates COVID-19 COVID CPR Cabin pressure Caissons diseas California Camera equipment Camera settings Cameras Cancer Remission Cancer treatments Cancer Cannabis and diving Cannabis Cape Town Dive Festival Cape Town Dive Sites Cape Town CapeTown Carbon Monoxide Carbon dioxide Cardiac research Cardiaccompromise Cardio health Cardiological Cardiomyopathy Caribbean Carmel Bay Carribean Conservation Catalina Island Cave diving Cave exploration Caves Cave Cenotes Ceotes Challenging Environments Chamber Safety Chamber science Chamber treatment Charging batteries Charles' Law Charles\' Law Charles\\\' Law Charles\\\\\\\' Law Charles\\\\\\\\\\\\\\\' Law Charlie Warland Chemotherapy Chest compressions Children diving Chiropractic Chlorophll Chokka Run Christina Mittermeier Citizen Conservation Citizen sciences Citizen science Clean Air Cleaning products Climate change Closed Circuit Rebreathers Closed Circuit Rebreather Cmmunity partnership Coastal diving Coastalexcursion Cold Water Cold care Cold sores ColdWater Cold Commercial Fishing Commercial diving Commercial schools Common consideration Common understanding Communication Composition Compressed Air Compressed gas Compressor operators Compressors Concussion Congestive heart Faiture Consercation Conservation Photographer Conservation photography Conservation Contact lenses Contaminants Contaminated air Coping with cold Coral Bleaching event Coral Conservation Coral Reefs Coral Restoration Coral bleaching Coral preservation CoralGroupers Corals Core strength Corona virus Coro Coservation Costamed Chamber Courtactions Cozumel Cradiac valvular Cristina Mittermeier Crohns disease Crowns Crystal build up Crystallizing hoses Cubs Cutaneous decompression Cylinder Ruptures Cylinder capacity Cylinder handwheel Cylinder safety Cylinder valves Cylinder weight DAN Courses DAN Profile DAN Researchers DAN medics DAN members DAN report DANTraining DCI DCS Decompressions sickness DCS theories DCS DEMP DM training DNA DReams Daan verhoeven Dahab Dalton's Law Dalton\'s Law Dalton\\\'s Law Dalton\\\\\\\'s Law Dalton\\\\\\\\\\\\\\\'s Law Danel Wenzel Dangerous Marinelife Dauin island Dave McCowan David Doubilet Dean's Blue Hole Dean\'s Blue Hole Deco dives Decompression Illness Decompression Sickness Decompression Stress Decompression chamber Decompression illsnes Decompression ilness Decompression limits Decompression treatment Decompression Decorator crabs Deep Freediving Deep diving Deep water exploration Deepest SCUBA Dive Delayed Offgassing Dental Depth limits Dever Health Diadema Response Team Diagnosis Diaphragms Diopter Diseases Disinfection Dive Buddy Dive Chamber Dive Chmber Dive Computer Dive Destinations Dive Destination Dive H Dive Industry Dive Instruction Dive Instructor Dive Medical Form Dive Medical Dive Practices Dive Professionals Dive Pros Dive Rescue Dive Research Dive Safari Dive Safety Tips Dive South Africa Dive Training Dive Travel Wakatobi Dive Travel Dive accidents Dive buddies Dive caves Dive computers Dive courses Dive cover Dive cylinder Aluminium Dive excursions Dive exercise Dive exeriences Dive experience Dive fitness Dive gear Dive heallth Dive health Dive in Africa Dive insurance Dive medical insurance Dive medicals Dive medicines Dive medicine Dive operators Dive opportunities Dive planning Dive procedures Dive safety 101 Dive safety Dive safe Dive skills Dive staff Dive travels DiveLIVE DiveTravel Diveleader training Diveleaders Diver Food Diver Health Diver Profile Diver Travel Diver education Diver infliencers Diver on surface Diver recall Diverover 50 Divers Alert Diversafety Divesites Diving Divas Diving Family Diving Fatalities Diving Feet Diving Helmets Diving Kids Diving Programs Diving Trauma Diving career Diving emergencies Diving emergency management Diving fit Diving guidelines Diving history Diving injuries Diving suspended Diving Dizziness Dolphins Domestic Donation Doug Perrine Dowels Dr Rob Schneider Drift diving Drysuit diving Drysuit valves Drysuits Dynamic environment Dyperbaric medicines EAPs EAP EMS Ear barotrauma Ear pressure Ear wax Ears injuries Eco friendly Ecowise Education Electronic Embolisms Emergency Action Plan Emergency Planning Emergency action planning Emergency decompression Emergency plans Emergency treatments Emergency underwater Oxygen Recompression Emergency Endurance Entry Envenomations Enviromental Protection Environmental factors Environmental impact Environmental managment Environmental stewardship Equalisation Equalization Equipment care Equipment failure Equipment inspection Equipment significance Evacuations Evacuation Evaluations Even Breath Evironmetaly friendly Exercise Exercising Exhaustion Exposure Protection Extended divetime Extinction Extinguisher Extreme treatments Eye injuries FAQ Face computer Factor V Leiden Failures FalseBay Diving Fatigue Faulty equipment Feet Femal diver Female divers Fenivir Fetus development Filling stations Fillings Fin Foot Fire Coral Fire Safety Fire extinguisher Firefighting First Aid Equipment First Aid Kit First Aid Trainig First Aid Training First Aid kits First Aid Fish Identification Fish Life Fish Fit to dive Fitness Levels Fitness Training Fitness evaluation Fitness to dive Fitnesstrainng Fitness Flying Focus lights Food Footissues Foundations Fractures Francesca Diaco Francois Burman Fred Buyle Fredive Free Student cover Free diving Free flow Freedive Competition Rules Freedive Competiton Freedive INstructor Freedive Safety Freedive Training Freedive computer Freedive rescue procedures Freediver Freedive Freediving Instructors Freediving performance Freediving Fur rade Gar Waterman Gardens of The Queen Gas Density Gas consumption Gas emboli Gas laws Gas mixes GasPerformance Gasblends Gases Gass bubbles Gastoeusophagus Gastric bypass Gastroenterologist Gas Gear Servicing Germs Geyer Bank Giant Kelp Forest Giant Kelp Giant stride Girls that Scba Gobies Golden fish Gordon Hiles Great White Sharks Green sea turtle Greenlings Guinness World Record Gutt irritations HBOT HCV HELP HIRA HMLI HMS Britanica Haemorhoid treatment Hand signals Harry Chammas Havanna Hawaii Hawksbill Hazard Description Hazardous Marine life Hazardous marinelife Head injuries Headaches Health practitioner Healthy Food Heart Attack Heart Health Heart Rate monitor Heart fitness Heart rates Heart rate Heart Heat stress Heliox Helium Gas Helium Hematoma Hemodynamic Hepatitis C Hepatitus B Hiatal Hernia High Pressure vessels High pressure hoses High temperatures Hip strength Hip surgery Hippocampus History Hole in the heart Hood Hot Humans Hydrate Hydration Hydrogen Hydroids Hydrostatic pressure Hygiene Hyperbaric Chamber Hyperbaric Oxygen Treatments Hyperbaric Oxygen Hyperbaric research Hyperbaric treatment Hyperbarics Hypertension Hypothermia Hypoxia I-52 found INclusivity IdentiFin Imaging Immersion Immine systems In Water Recompression Increased pressure Indemnity form Indian Ocean Indigo SCuba Indonesia Inert gas Infections Infra red Imaging Injections Inner ear Instinct Instruction Instructors Insurance policy Insurance Integrated Physiology International travel International Internship programs Internship Interval training Irritation Irukandji Syndrome Isotta housing Itchy Rash Jellyfish Jill Heinerth Joanna Wyrebek Joint pain Journal for Technical Diving Junior Open Water Diver KZN South Coast KZN Karen van den Oever Kate Jonker KateJonker Kenya Kidneys Kids scubadiver Komati Springs KwaZulu Natal LED lights Labour laws Lake Huron Lara Lambiase Laryngospasm Lauren Arthur Learning to dive Leatherback Legal Network Legal advice Legislation Lembeh Straights Lenses Leslie Lwaney Leukemis Liability Risks Liability releases Liability Life expectancy Lifestyle Lighting Lightroom editing Lionfish Live aboard diving Liveaboard Liver Toxicity Liver diseas Liz Louw Loss of consciousness Lost at sea Low Visability Low blood pressure Low pressure deterioration Low volume masks Lumpsuckers Lung Irritation Lung function Lung injuries Lung squeeze Lung surgery Lung MOD MOzambique diving MPA Macro photography Mafia Island Maintenance Malaria Mammalian Dive Response Mammalian effect Manatees Mandarin Fish Marfan syndrome Marine Biologist Marine Biology Marine Mega fauna Marine Science Marine Scientists Marine conservation Marine parks Marine plants Marinelife Marinescience Markus Dirschi Marlin Marne protecte areas Mask clearing Masks Master scuba diver Matty Smith Maximum operating depth Medical Q Medical emergencies Medical questionaire Medical statement Medical team Medicalresearch Medicalstudents Medication Mehgan Heaney-Grier Membership benefits Menopause Menstruation Mermaid Danii Mesophotic Metotrexate Mexico Michael Aw Microbubbles Middle ear pressure Mike Bartick Military front press Misool Resort Raja Ampat Mixed Gas Mono Fins Mooring lines More pressure Motion sickness Motionsickness Mount Kilimanjaro Mozambique Muck Diving Muscle pain Mycobacterium marinum NDL limits Narcosis National Geographic Nature Nausea Nautilus Ndibranchs Neck pain Neoprene layers Neuro assessments Neurocognitive research Neurological assessments Neuromotor exercises New Caledonia Nichola Bird Nicorette Nicotine Nitrogen Narcosis Nitrogen build up Nitrox No Decompression Limits No-decompression limits No-decompression Non-nano zinc oxide Non-rebreather Mask Non-smoking Nondiving related illness Nonrebreather masks Normal Air North Sulawesi Nosebleeds Nudibranchs Nuno Gomes Nutrition O2 oxygen provider. O2 providers O2 servicing O2treatments OOxygen maintenance Ocean Projects Ocean Research Ocean animals Ocean conservation Ocean mammals Ocean migrations Ocean pollution Oceangate Octopus Oil contamination Olive Ridley Open Ocean Open water divers Optical focus Oral contraseptives Orbital implants Oronasal mask Osteonecrosis Otters Out and about Out of air Outer ears Outreach Overhead Envirenments Oxygen Administration Oxygen Cylinder Oxygen Units Oxygen deficit Oxygen deicit Oxygen dificiency Oxygen ears Oxygen equipment Oxygen kit Oxygen masks Oxygen providers Oxygen supplies Oxygen supply Oxygen systems Oxygen therapy Oxygen treatment Oxygen P J Prinsloo PADI Freedivers PFI PFO PJP Tech Paper Nautilus Paralysis Parentalsupervision Part 3 Partner Training Patent foramen ovale Pemba Island Peri-peri Divers Perspective Peter Lindholm Philippine Islands Philippines Phillipines Photographers Photographer Photography tips Photography Physical Fitness Physioball Physiology Physiotherapy Pills Pilot Whale Pistons Planning Plastic Plimsoll Interface Pneumonia Pneumothorax Poison Polka Dot Bat fish Pollution Pool Diving Pool chemicals Pool maintenance Pool workout Pools Post-dive Potuguese man-of-war Pre-dive Predive check Pregnancy Pregnant divers Preparation Prepared diver Press Release Preventions ProDive Port Elizabeth Professional rights Provider course Psycological Pulmanologist Pulmonary Barotrauma Pulmonary Bleb Pulmonary Edema Pulmonary Hypertension Pulse Punture wounds Pure Air Pure Apnea Purge Quit Smoking Q RAID South Africa RCAP REEF Radio communications Range of motion Rashes Rebreather diving Rebreatherdive Rechargeable batteries. Recompression chamber Recompression treatment Recompression Recycle Red SEA Reef Chcek Reef Conservation Reef Environmental Education Foundation Reef protection Reef safe Reef surveyors Refractive correction Regal Sea Goddesses Regulator failure Regulators Regulator Remote areas Remote islands Renewable Report incidents Rescue Divers Rescue Procedure Rescue breathing Rescue breaths Rescue diver Rescue skills Rescue skill Rescue training Rescue Research Resume diving Return To Diving Return to diving Reuseable items Risk Assessments Risk assesments Risk assessment Risk elements Risk management Risks of Seizures Riviera Maya Roatan Marine Park Roatan SABS 019 SMB SafariLive Safe diving practices Safety Concerns Safety Gear Safety Stop Safety in Air Safety SaherSafe Barrier Salish Seas Salty Wanderer Sanitising Sanne Volja Sara Andreotti Sara Banderby Sara Campbell Sardine Run Sargassum sea Saturation Diving Save our seas Schrimps Science Scoliosis Scombroid Poisoning Scorpion Fish Scuba Air Quality Scuba Guru Scuba Injury Scuba Instructor Scuba children Scuba divers Scuba dive Scuba education Scuba health Scubalearners Scubalife Sea Horses Sea Turtles Sea slugs Seagrass Sealcolonies Sealife Seals Seasickness Seaweeds Seaweed Sea Self Rescue Shallow Water Blackout Shallow dives Shark Protection Shark Research Shark conservation Shark diving Sharks Shipwrecks Shit Happens Shore entries Shoulder strength Sidemount Sideplank Signs and Symptoms Silty bottoms Sit-ups Sixgill Sharks Skills in action Skin Bends Skin outbreak Skin rash Smart phone photography Snells Window Snorkeling Snorkels Social Distancing Sodwana Bay Solomon Islands Sonnier bank South Africa Southern Sea Otters SpareAir Sperm Whales Spinal Bend Spinal bends Spinal cord DCS Spinal dura Spinal pain Spinner dolphins Splits Sports medicine Squeezes Squid Run Stability exercise Standars Statin Mediction Stay Fit Stay Warm Steel Stefan Randig Stents Step ups Stephen Frink Stepping up Stockton Rush Stonetown Stretch band exercise Stretch bands Strobe Lighting Strobes Stroke Submerge tech Submerged Sudafed Sulawesi Sun protection Sun screen Sunscreen Supplemental oxygen Surface Marker Buoys Surface supplied Air Surfaced Surgeries Surgery Suspension training Swim Fitness Swimmers health SwimmingIn wateractivities Swimming Sylvia Earl Symbiosis Symbiosys TRavel safety Tabata protocol Talya Davidoff Tanzania Tattoes Tec Clark Tech diving Technical Diving Technical divng Temperature Homeostatis The Bends The Cavettes The Titanic Wreck The Wild Coast The greatest Shoal The truth Thermal Notions Thermoregulation Thomas Peschak Thunder Bay National Marine Sanctuary Tides Tips and trick Tonga Tooth squeeze Transplants Travel destinations Travel smarter Travel tips Travel Tropical Coastal Management Tulamben Tullum Tulum. Tunnelling Turks and Caicos Turtles Tweezers Ultrsound Umkomaas Unconscious diver Unconsciousness Underground waterways Underground work Underseaa world Underwaater Photos Underwater Photography Underwater Photograper Underwater Photograpgraphy Underwater Photographer Manirelife Underwater Research Underwater critters Underwater floral Gardens Underwater hockey Underwater imaging Underwater photographer Underwater photography Underwater pho Underwater sound Underwatercommunications Underwater University of Stellenbosch Unresponsive Urchins Urinary retention. VGE Vacations Vaccines Vagus nerve Valsalva manoeuvers Valve stem seals Vape Vaping Vasopressors Vasvagal Syncope Venous gas emboli Ventilate Venting Verna van Schak Veterinarian Videography Vincenzo Ferri. Virus infections Volatile fuels WWII wrecks War stories Washout treatments Wastewater Watchman device Water Resistance Water Weakness Weigang Xu Weights West Papua Western Cape Diving Wet Lenses Wet diving bell Wetsuit fitting Wetsuites Wetsuits White balance Whitetpped Sharks Wide Angle Photos Wide angles Wildlife park Wildlife Winter Wits Underwater Club Wolf Eels Woman and diving Woman in diving Womans health Woman Women In Diving SA Women and Diving Women in Freediving Women in diving Womens Month Womens health Work of Breathing Workout World Deeepst Dive Record World Records Wound dressings Wreck History Wreck divers Wreck dive Wreck diving Wreck exploration Wreckdiving Wrecks Yoga Youth diver Zandile Ndholvu Zanzibar Zoology Zooplankton \ Blennies abrasion absolute pressure acoustic neuroma excision adverse seas air-cushioned alert diver altitude alveolar walls anemia antibiotics anticoagulants antiseptics bandages barodontalgia bent-over barbell rows bioassays biodiversity bloodcells blue carbon body art breathing air calories burn canal blockage carbon dioxide toxicity cardiovascular career developments cerebrospinal fluid cervical spine checklist chemo port children child chronic obstructive pulmonary disease clearances closed circuit scuba coral growth corrective lenses currents cuts cylinder filling dead lift decompression algorithms decongestants decongestion dehydration dive injuries dive medicing dive ready child dive reflex dive tribe divecomputers diver in distress diver rescue diver training dive diving attraction doctors dolphns domestic travel dri-suits drowning dry mucous membranes dry suits dry e-cigarettes ear spaces elearning electrolyte imbalance electroytes emergency action plans emergency assessment emergency training environmentally friendly equalising equalizing exposure injuries eyes fEMAL DIVERS fire rescue fish watching fitness Balance fitnes flexible tubing frediving freedivers gas bubble gas poisoning gastric acid gene expression health heartburn histidine hospital humidity hypobaric hypoxia immersion and bubble formation immersion pulmonary edema (IPE informal education isopropyl alcohol jaundice join DAN knee lanyard laparoscopic surgery life jackets longevity lower stress lox oxygen level malaise marielife marine pathogens medical issues medical procedures medical risk assesment medications mental challenge mental preparedness micro-organisims micro minor illness mucous membranes multilineage dysplasia myelodysplasia nasal steroids nasal near drowning nematocysts neurological newdivers nitrogen bubbles off-gassed operating theatre operations orthopeadic otitis media out planting outgas pain parameters perforation phillippines phrenic nerve physical challenges pinched nerves plasters pneumoperitoneum polyester-TPU polyether-TPU post dive posture prescription mask preserve prevention professional emergency responders proper equalization psychoactive pulmonary barotrauma. pulmonary injury. pulmunary barotrauma radiation rebreather mask rebreathers retinal detachment risk areas safety stops saturation scissors scuba equipment scuba sea goddesses single use sinus infections situationalawarenes smoking snorkeling. spearfishing sterilising stings strength sub-aquatic sunscreen lotion swimmers ears tattoo care tecnical diver thermal protection tissue damage toxicity training trimix unified standards upwelling virtual coach vision impaired vomiting warmers water quality zinc oxide