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Decompression Sickness

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by

Tina Nguyen

on 21 October 2013

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Transcript of Decompression Sickness

Decompression Sickness
INTRODUCTION
What Is Decompression Sickness?
TREATMENT
Mild forms of decompression sickness can resolve themselves
Hyperbaric chamber
Follow-up treatments, along with physical therapy

CASE STUDY
Introduction:
-My Personal DCS/DCI ("Bends") Story By: Alan Levy time: May 24th, 2002
- Did two dives on this past Friday (May 24th, 2002) as part of PADI MSDT training
- Ended up with decompression sickness

By: Tammy Ngo & Tina Nguyen
SYMPTOMS
Diving history will give some indication as to whether it could be decompression sickness.
Can diagnose DCS through examining the balance, coordination, sense of touch, reflexes and muscular strength.
It's a condition that results when sudden decompression causes nitrogen bubbles to form in the tissues of the body.
Affects divers and other people who are in a situation that involves pressure rapidly decreasing around the body.
Occurs most frequently during deep sea diving
Diver's disease
the Bends
Other names:
Nitrogen is taken into the body's tissues
Main risk factor: diver ascends too fast
Other risks: deep or long dives, cold water, hard exercise at depth
Bubbles forming in or near joints

MECHANISM OF INJURY
How do you Diagnose the Condition?
SYMPTOMS
Skin itch
Pain in joints and/or muscles of the arms, legs or torso
Dizziness
Unusual fatigue
Ringing in the ears
Shortness of breath
Numbness, tingling, paralysis
SIGNS
Blotchy rash
Muscle weakness
Difficulty urinating
Confusion, personality changes
Amnesia
Tremors
Staggering
Collapse or unconsciousness
Coughing up bloody, frothy sputum
Always ascend slowly
Use dive tables (shows how long you can remain at a given depth)
Do decompression stops (stopping at certain depths in the water for a calculated length of time)
Be hydrated
Don't drink alcohol before/after diving
Don't fly within 24 hours after diving
PREVENTION
Mechanism of injury:
Dive 1
- 80 Feet maximum depth for a total bottom time of 40 minutes (average depth was 37 feet and the water temperature was 54 degrees)
Dive 2
- Maximum depth of 45 feet for a total bottom time of 56 minutes (average depth was 23 feet and the average temperature was 46 degrees)

* I had ample dive time left *

Symptoms:
-felt fine, no joint or muscle pain, but he felt kind of "foggy" on the brain
- next morning, left leg and arm felt "strange",
-same symptoms were present after a couple of hours
- loss strength in left leg compared to the right

Treatment:
Examination:
-decompression chamber
The Ride:
- brought down to 60 feet and then to 30 feet.
-each level breathed 100% oxygen for 20 min
After:
-joint pain was gone and “foggy head”
-only one treatment was needed
- at least one week off
-symptoms were mild and treated in time

His Final Thoughts/ Prevention
1. You can do everything right - by the book and still get a hit of DCS.
2. Trust that inner voice; it knows when something is wrong.
3. If something is wrong, get it looked at and if there is something wrong get it treated ASAP - with DCS time is our enemy.
4. DCS is a scary thing but the camber ride isn't - I lost part of a day saw two good movies and got to sit on my back for four hours.
5. If you think you might have DCS, get it looked at BEFORE you step foot on any airplane, if you fly it will only make treatment harder and the time we don't dive longer

QUIZ TIME!
How can you get decompression sickness?
List three symptoms or signs of DCS.
What kind of treatment is used to treat DCS?
SOURCES
http://www.diversalertnetwork.org/medical/articles/Decompression_Illness_What_Is_It_and_What_Is_The_Treatment

http://www.thelevyhome.com/alan/scuba/bends.htm

http://www.scuba-doc.com/dcsprbs.html

http://www.netdoctor.co.uk/travel/diseases/decompression_sickness.htm

http://www.scubadiving.com/news
Full transcript