Brian Harper

By the same author

Learning to Rebreathe

It was dinner time at Divetech. As I walked past the kitchen, I noticed two red lights blinking on the side of the oven. Before...

25 June 2015

Assessing Basic Vital Signs

Assessing vital signs ("vitals") is a key component of good first aid. It consists of taking a series of simple measurements that provide data about...

01 July 2014

Preconditioning and DCI

It is generally accepted that the most important risk factors for decompression illness (DCI) are dive time and depth. Divers are also very interested in...

15 May 2013

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