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Risk and Uncertainty

Why numbers don’t mean much when it comes to your behaviours!

Gareth Lock writes the first of a series of articles, which are extracts from his recently published book <i>Under Pressure: Diving Deeper with Human Factors</i>. In this piece, he looks at risk management in diving and shows that most of the risks we manage are not actively managed at all. They are subject to emotions, biases and mental shortcuts, and we are actually managing uncertainty.

Words:
Gareth Lock
Images:
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Tech and Training

I remember watching a presentation by Sami Paakaarinen on the recovery of two divers who were his friends who had died while diving in the Plura cave system in northern Norway in February 2014. He put up a slide that said, “We took a calculated risk. Unfortunately, we were not very good at maths.” He was referring to the dive where the two divers became trapped and panicked at a depth of more than 130m below the surface. They died and others on the dive were lucky to make it out alive.

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Rescue in Remote locations

Do you plan to explore a deep virgin wreck? Is it your dream to discover a unique cave system deep in the jungle? Have you heard about a Blue Hole miles off shore and want to give it a try? In any case, chances are you’ll be diving in a remote location where emergency medical systems are not much more frequent and up-to-date than traffic lights in the Himalayas.

Words:
Cedric Verdier
Images:
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Tech and Training
Medical & Fitness

What constitutes an emergency and what kind of emergency may I face?

What do I need to bring in order to reasonably deal with possible emergencies?

In other words: How remote is remote, and is it necessary to have a physician present 24/7?

Setting up emergency procedures

All sorts of problems can happen when you’re in a remote location. However, many small injuries can easily be treated on-site. No need to call in a medivac helicopter and team of paramedics for a small cut or a hangover.

Therefore, only four main emergency procedures should really be considered:

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