Practice of scuba diving and contaminated air during

WHAT IS?

Firstly, let’s understand compressed air from the conventional cylinder. It’s basically the same as the one we breathe: a mixture of oxygen and nitrogen (approximately 20% and 80% respectively). While none of these gases may give adverse effects on water, both can cause problems when breathed under higher pressures or when they are contaminated.

May contain contaminated air the air that has suspended particles of vehicle exhaust gases (carbon monoxide), chimneys or forests combustion, oil vapor, roads dust, volcanic emissions, or even the incorrect percent of compressed air. When inhaled, these particles cling to the lungs when these are filtering, causing a loss to their function.

HOW TO REALIZE?

The contaminated air usually has bad taste and smell, may be odorless and tasteless.

A diver can experience headaches, nausea, dizziness and even unconsciousness, and the base of the lips and nails may be with cherry-red coloration.

Is this situation, is recommended fresh air and oxygen cylinder (if available) to a person with suspected poisoning. In more severe cases is required health care. Medical assistenceis required in all cases.

HOW TO AVOID?

Just load your cylinder with filtered compressed air, clean and dry at a respectable charging station. And to avoid problems under water, test it before every dive. If the air has a bad taste or smell, do not use it.

Fortunately, contaminated air is rare since it refilled at appropriate locations, and in dive shops. They know the seriousness of the problem and make a frequent check for their air quality.

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