Lobster Divers Attacked by Lionfish

A pair of divers went spearfishing but a lionfish speared them!
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Heavy Diver No Match for Heavy Seas

Heavy seas create problems for an overweight, diabetic diver who nearly drowns after a ladder hits his head. (2012,USA)
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Diving on Empty

Diver skips predive check and finds his tank is empty. (2013, USA)
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A Regulator Hose Rupture Could Be Prevented

A regulator hose ruptures at 30 feet, causing the diver to make a free ascent.
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A Flood Without Flotation

A rebreather diver failed to test her rig after valve replacement. Her rig flooded, leaving her without buoyancy and breathing gas.
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Skin Rash Should Not Be Ignored

An unrecognized case of skin DCS resolves spontaneously. (2012, Tobago)
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Inverted on the Descent Line

A handicapped diver with a faulty regulator nearly drowns after getting inverted in the water. (2012, USA)
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CCR Diver Develops Immersion Pulmonary Edema

A rebreather diver developed IPE symptoms at 291 fsw (87 msw) and managed to complete her decompression obligation. (2012, USA)
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Rebreather Diver Bails Out Due To Frequent Solenoid Firing

An omitted cell check on a rebreather leads to a near miss after frequent solenoid firing warns the diver to bail out.
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Diver's Leg Paralysis Spontaneously Resolves

Despite the spontaneous resolution of postdive neurological symptoms, the diver still needs urgent medical evaluation.
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Out-of-Shape Diver Dies During Surface Swim

An overweight 50-year-old diver suffers an apparent cardiac event while swimming.
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Diver Experiences Rash, Coughing, Unconsciousness after Hot Shower

Chokes, skin marbling and unconsciousness occur after repetitive diving and a hot shower (2012, Honduras)
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Diver Loses Five Fillings on One Dive

A rebreather diver experiences tooth pain on ascent and loses five fillings months after dental procedures
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Rash and Weakness Occur After Dive and Lunch: Allergy, DCS or Both?

A diver develops a postdive skin rash and weakness 30 minutes after eating a lobster sandwich. He was treated successfully, but the symptoms reoccurred with diving. Is the cause a food allergy or decompression sickness (skin bends)?
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Compressed Gas Tears Skin, Penetrates Body

A scuba diving high-pressure hose ruptures, causing air under pressure to inject into arm. (2013)
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Unrecognized Ear Barotrauma

A novice diver continues diving despite ear pain.
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Diver Loses Distance Vision after Innocuous Dive

A young diver develops temporary nearsightedness (myopia) after repetitive, shallow, no-decompression air dives.
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Omitted Predive Buoyancy Check Leads to Trouble

Scuba diver survives a life-threatening hazard caused by the omission of the predive buoyancy check.
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Swapping Dive Computers

A diver had a regulator free-flow problem and decided to replace it with another of the same kind. Both had a dive computer attached. Should he use the new computer set up?
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King Triggerfish Attacks, Wounds Diver

A large triggerfish attacked a diver, hitting him in the head and causing a large wound on the scalp.
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DAN Will Help Divers with Breathing-Gas Analysis

Two cases of air contamination show symptoms of breathing difficulty, dizziness and nausea.
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Rebreather Diver Self-Treats Postdive Shoulder Pain (DCS)

First-aid surface oxygen resolves postdive shoulder pain (Type 1 DCS) after a correctly executed rebreather dive to 164 feet (50 meters).
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Abalone Diver Encounters Bull Shark

An experienced abalone diver recalls a shark encounter.
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Vertigo after Dive

A woman who develops vertigo and nausea after two dives responds slowly to treatment for inner-ear DCS.
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Regulator Free-Flow Leads To Failed Buddy Breathing

Hoses become entangled when a diver with a Hogarthian gear configuration helps an inexperienced diver with regulator free-flow.
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Savvy Diver Prevents Uncontrolled Ascent

An experienced diver with an underwater scooter saves an unprepared diver who overbreathed his regulator and attempted an emergency ascent.
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Laughing Out of Air

A diver learns the importance of dive-buddy communications and predive equipment checks when both his regulators fail after removing them for some underwater laughter.
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Cutaneous DCS with Transient Neurological Symptoms after a Hot Shower

After a hot shower, a diver experiences blotchy rash and welts along with blurred vision and some dizziness.
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Stranded While Drift Diving

Drift divers are stranded in open water when a dive does not go according to plan
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Swivel O-Ring Pops Out Underwater

Failure of a swivel O-ring causes an emergency ascent.
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Diver on Extreme Diet Falls Ill after an Innocuous Dive

Ambiguous DCS symptoms appear in a diver on an extreme low-calorie diet and hCG hormone.
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Being Underweighted Makes for an Uncomfortable Dive

A diver neglected to check that he had the proper amount of weight before a dive and tried to compensate underwater.
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Frigid Waters Cause Regulator To Ice

Ice on the regulator caused free flow, resulting in an aborted dive.
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Diver Using a Full-Face Mask Runs Out of Air

An inexperienced diver with a hypersensitive gag reflex used a full-face mask on a wreck dive. He ran out of compressed breathing gas and had to take off his mask to buddy breathe. On the next dives he took a spare standard mask with him.
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Overweighted Diver Runs Out of Air While Spearfishing

A novice diver, using brand new equipment, ran low on air and surfaced without his buddy. At the surface, he did not have enough air to inflate his BC and had trouble staying afloat. When trying to ditch his weights, he panicked and had to be rescued by other divers on the boat before he drowned.
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Partially Closed Valve Causes Breathing Difficulty

A diver with a partially closed tank valve has difficulty breathing at depth and has to share his buddy's air during ascent using a secondary regulator.
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Untrained Diver Dies Entangled in Kelp

An untrained diver who was separated from his buddies became entangled in kelp and died.
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An Unexpected Solo Dive

Strong current causes a diver to become separated from his buddy and group
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Post Dive Symptoms Possibly Caused by Gas Contamination

Two cases of post-dive symptoms likely caused by contaminated gas. Predive checks and proper equipment maintenance may help to mitigate risk.
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Do Instructors Know Your Buoyancy Without Checking?

Diver in advanced diving class struggled due excess buoyancy. Instructor failed to recognize and correct the problem.
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Weight Belt Adjustment

Issues with a weight belt caused a diver to be separated from his dive buddies during a night dive.
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Steel Tank Causes Diver to Become Inverted While Descending

Unused to the heavy tank, a diver gets inverted during descent
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Near-drowning due to entanglement in fishing line

A case of near-drowning due to entanglement was reported and summarized by an emergency room physician.
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Partially closed tank valve causes buddy separation and angst

Lessons learned, as reported by one of the divers, when an equipment problem caused him to become separated from his buddy.
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Immersion pulmonary edema (IPE)

Diver experienced difficulty breathing at the surface after an uneventful dive.
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Non-functioning BCD results in a potentially rapid descent

Two divers using rented gear found various problems from a leaky regulator to non-functioning depth gauge. They aborted the dive when one BCD would not hold air after they got in the water.
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Left-sided tank valve causes an out-of-air incident

A diver traveling out of the US was given an air tank with the valve on the left rather than the right. Diver developed difficulty breathing 40 minutes into the diveand ran out of air at 30 fsw.
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Regulator inadvertently kicked out of mouth by buddy

Diver lost his primary regulator due to interaction with buddy and could not use his secondary regulator which got entangled in bungee cord necklace.
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BC damaged in boat fire

A fire on deck damaged the diver's BC without him realizing it and used it to dive.
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Inspecting for Breathing Gas Contamination

A diver presenting symptoms finds oil and water in his tank during a visual inspection.
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High pressure hose cracked during descent

Diver credits staying calm and good training in handling cracked hose incident.
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Safe Diving Tips During Lobster Season

Fatalities occurred during the beginning of California's lobster season.
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Unintentional Ascent by Student Diver

A novice diver inflated his BC and resulted in an involuntary ascent.
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When too much air is a bad thing

Corroded auto-inflator gets stuck open leading to buoyancy problem and rapid ascent.
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Incompetent skipper and failing boat spoiled the dive trip

A warning to users, dive operators, and marinas about the importance of having a contingency plan.
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Non-functioning BCD and too much weight sinks diver

Over weighted diver sinks rapidly and could not stabilize because of disconnected hose on BCD.
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Diving and drinking do not mix

A drunken diver dives too deep, runs out of air and gets severe DCS after emergency ascent.
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Disoriented while navigating by compass in low visibility water

Two novice divers attempt to perform too many tasks at once and had to abort dive.
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Rapid Ascent Due to Broken Delayed Surface Marker Buoy (DSMB)

Equipment failure during DSMB deployment causes multiple problems for this diver.
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Nausea at Depth

Diver surfaces after experiencing symptoms without an obvious cause
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Juvenile Octopus Bites Diver

A diver's hand became infected after being bitten by a baby octopus.
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Eye irritated by de-fogging with shampoo

This diver de-fogged his mask with concentrated shampoo that affected his vision.
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An elderly diver appears confused

An ascending diver sees another diver behaving oddly so goes to assist.
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A skin bend cuts a diving holiday short

This diver made four dives on air, approaching the no-stop limits of his dive computer but making 3-min safety stops. After two days the diver suffered a skin bend, sought treatment for it and stopped diving.
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A diver turns her valve off instead of on

Turning the tank valve back half-a-turn often confuses divers and can inadvertently make breathing difficult at depth. This diver kept a cool head and ascended on her buddy's alternate air source.
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Immersion pulmonary edema (IPE) in a new, healthy diver

A diver requires rescue after experiencing shortness of breath and coughing up blood while performing surface skills for entry-level scuba certification.
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Diver feels crushing chest pain

While diving in a group one diver suffers difficulty breathing and feels a crushing pressure on his chest.
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Inflator causes a runaway ascent under thick ice!

While diving a frozen lake, a malfunctioning power inflator sent a diver into an uncontrollable ascent before he crashed into three feet of ice overhead.
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An air diver gets lost and suffers apparent decompression sickness

During a second substantial dive a diver follows a grouper away from a shipwreck and makes an ascent without a reference, then exhibits symptoms associated with decompression sickness.
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A free-flowing regulator leads to an out-of-gas ascent

Two divers visit a shipwreck at 127 fsw depth, in a strong current, and a free flowing alternate air source soon empties a diver's tank. The pair make an air-sharing ascent to safety.
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Mayhem Dive in a Strong Current Leads To Near Drowning and Multiple Injuries

A diver encountered several incidents in one dive — including buddy separation, strong currents, faulty equipment, out-of-gas situation and lacerations —that resulted in him nearly drowning.
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Diver’s Muscle Weakness and Tingling in Legs Indicate Possible Spinal Cord DCI

A female diver surfaced from a 80fsw dive and experienced back pain and nausea. She was administered oxygen but soon experienced weakness and a "pins and needles" feeling in both legs. She received hyperbaric oxygen (HBO) treatment almost two days later when she returned home. After three sessions in the chamber, she still has lingering symptoms...
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Leaking Glove Leads to Ear Barotrauma

A distracted diver lost buoyancy control and experienced ear barotrauma.
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Diver Suffers Hip Pain During Flight 36 Hours Postdive

A diver who had been on a multiple-day dive trip on a liveaboard experienced pain in his hips during the flight home. He was treated at a chamber on the third day after returning home. His symptoms resolved, but a diagnosis of DCS is uncertain.
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Hard-Breathing Regulator Results in Emergency Ascent

A diver using rented equipment felt he was not getting enough air at depth. He tried buddy breathing but had little improvement. A divemaster came to the rescue by sharing his octopus, and they did a controlled emergency ascent.
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