What should you do if a diver convulses underwater? If he has his mouthpiece in, let him stay down till he stops convulsing. If not, get him to the surface asap and contact emergency medical. Get him on 100% oxygen or the highest blend possible.
What should you do for a diver suspected of having decompression illness after an enriched air dive?
The definitive treatment for any form of decompression illness is recompression in a hyperbaric chamber. The main purpose of this is to reduce the size of any existing bubbles. In addition, 100% oxygen is given in order to encourage the excretion of nitrogen from the body.
What is the first step you do when analyzing an enriched air blend?
The first step in analyzing enriched air is to calibrate the oxygen analyzer.
Who must personally certify the oxygen analysis of a cylinder of enriched air?
Do not dive for 24 hours, or as stipulated by the computer manufacturer. Who must personally verify the analysis of the oxygen content in an enriched air cylinder before it is used? The diver who will use the cylinder.
Will the bends go away on its own?
In some cases, symptoms may remain mild or even go away by themselves. Often, however, they strengthen in severity until you must seek medical attention, and they may have longer-term repercussions.
Can the bends be cured?
The optimal treatment is the use of a hyperbaric oxygen chamber, which is a high-pressure chamber in which the patient receives 100% oxygen. This treatment reverses the pressure changes that allowed gas bubbles to form in the blood stream.
What signs and symptoms may precede a CNS convulsion?
Signs and symptoms that may precede a CNS convulsions include:
- visual disturbances, including tunnel vision.
- ears ringing.
- twitching and muscle spasms, especially in the face.
- irritability, restlessness, euphoria, or anxiety.
Can I get Nitrox certified online?
Get your Nitrox Certification online!
Through SDI’s (Scuba Diving International) on-line training program, you can complete most of the required academic study in the comfort and convenience of your home or office. Once you complete your online Nitrox certification, we recommend that you do two Nitrox dives with us.
How much does nitrox certification cost?
Q: How much does nitrox training cost? A: The cost for proper training is around $150.00 for basic nitrox. Q: What are the prerequisites to take a nitrox course? A: You must be 15 years of age or older and should be comfortable with your equipment and diving conditions in your area.
How long does it take to get Nitrox certified?
The PADI Enriched Air Diver Course online will take approximately 3 hours to complete.
Can you fart while diving?
Farting is possible while scuba diving but not advisable because: … An underwater fart will shoot you up to the surface like a missile which can cause decompression sickness. The acoustic wave of the underwater fart explosion can disorient your fellow divers.
Can you cough while scuba diving?
The gas you breathe from a scuba tank can be a bit dry, and sometimes it’s necessary to cough. Or maybe, while laughing at your dive buddy, you get a little water down your throat. It’s perfectly alright to cough into your regulator until your airway is clear.
Can you get the bends in 10 feet of water?
The shallowest depth for a single dive producing bends symptoms was ten feet (three meters), with the bottom time unknown. However, most of the divers made several shallow dives and sometimes multiple ascents.