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Tag Archive: dcs


Mildly Bent – Decompression Stress and Micro-Bubbles by Andy Davis Sub-Clinical DCS Bubbles occur in our bodies on the ascent from most scuba dives, but those bubbles have to reach a sufficient size before they cause enough immediate harm to present diagnoseable symptoms of DCS. Bubbles of insufficient size to cause clinically identifiable decompression sickness […]

Types of Decompression Sickness (DCS) by Andy Davis Decompression sickness is caused by inert gases leaving solution inside the body and forming bubbles. If allowed to grow sufficiently large, those bubbles present signs and symptoms, which allow DCS to be diagnosed, such as; Type 1:  Minor. Localized pain, skin itching (Pruritis) and skin rash (Cutis marmorata) […]

technical diving subic bay philipines

Confessions of a Mortal Diver – Learning the Hard Way (Decompression Sickness, Treatment and Recovery) by Richard L. Pyle (deepreef@bishop.bishop.hawaii.org) ScubaTechPhilippines note:  I’ve posted this article as it represents a serious lesson and learning text for technical divers.  It was originally posted via a washington.edu website, but sadly that location hasn’t remained online. The true story, […]

subclinical dcs decompression stress

Subclinical DCS, Decompression Stress and Post-Dive Fatigue by Andy Davis Post-Dive fatigue, malaise, lethargy, sleepiness and decreased vitality is an often-observed consequence of scuba diving.  Many divers can relate with this; having felt sluggish and in dire need of a snooze during surface intervals or after diving. Is it really normal and expected? Is it […]

Gradient Factor Comparison Using A Simple 60m Trimix Dive Case-Study By Andy Davis. As a follow-up to my previous article, ‘A Logical Application of Gradient Factors Settings for Open-Circuit Tech Divers‘, I have decided to write a comparative case-study that illustrates the effect that three different gradient factor settings can have on the dynamics of […]

 DCS and the Immune Response The Complement System and Diving    by Dr. Ernest Campbell FACS [Blog note:  I reproduced this article from ScubaDoc, as I thought it valuable for understanding the wider implications of  sub-clinical DCS, especially the issue of ‘post-dive fatigue’ that indicates unhealthy decompression stress. This article ‘The Complement System and Diving’ […]