Modern Olympic swimming champion, Dawn Fraser of Australia, described her experiences underwater as: "It's a beautiful thing, diving into the cool crisp water and then just sort of being able to pull your body through the water and the water opening up for you". Her experiences related to life underwater in an environment as controlled as the swimming pool. However, in contemporary times, ordinary folk have taken the plunge and jumped into the waters of rivers and seas and returned to narrate their experiences of life underwater. Scuba diving Hawaii has made this possible.
Self-Contained Underwater Breathing Apparatus or Scuba diving originally referred to the oxygen rebreathers developed for underwater warfare by the United States. Earlier modes of diving involved the divers either holding their breath underwater or the pumping of air from the surface. Scuba diving provided divers with greater freedom of movement as they carried their own source of breathing gas. As diving developed into a recreational activity, professional scuba diving institutes like Kaimana Divers emerged to ensure that it became an exhilarating experience.
Even though all divers indulging in Oahu diving have been trained professionally and attended diving classes, the possibilities of mishaps occurring can never be ruled out. Hence, understanding the accidents that can take place underwater and taking the necessary precautions to avoid them assume paramount importance. Contrary to popular belief, lack of air does not lead to scuba diving accidents as much as handling pressure does. Some common accidents that divers need to avoid have been listed below.
* Mask Squeeze: This happens when the diver forgets to let some air into the mask while descending. The air space within the mask compresses and sucks the diver's face into the space.
* Barotrauma: A pressure related injury, this occurs when the diver's body has air spaces in it. A typical example can be when the air in the diver's middle ear cannot escape through the Eustachian tubes, leading to the rupturing of the eardrum.
* Nitrogen Narcosis: Pressure impacts the way the body processes gases. Thus, the deeper the diver heads underwater i.e. beyond 100 feet, the more narcotic effect that nitrogen will have on the body.
* Decompression Sickness: Diver's bodies absorb more nitrogen the deeper they descend. If they start ascending slowly, this nitrogen passes into the air harmlessly via the lungs. However, if the diver ascended too fast, the chances remain that the body would not have been able to rid itself of the excess levels of nitrogen. This can cause problems akin to arterial gas embolism.
Being forewarned also denotes being forearmed. Therefore, if you plan to indulge in some scuba diving during your vacation, ensure that you check with the scuba diving instructors to guide you through all safety mechanisms. A sense of reassurance as you dive into the depths will make your experience underwater more memorable than a mishap that leaves you all at sea.
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