↑ Return to Research Overview

Recent NAVSEA CO2 Narcosis Study Photos


Overhead view of the CO2 Narcosis study set up. Photo shows the underwater joystick container, the cycle ergometer and the breathing hoses.

MATB screen
MATB-II video game screen. The subjects must accurately control the simulator while responding to a series of warning lights a gauges during the different gas and exercise conditions.


Co-investigator, Bruce Derrick, MD testing the apparatus prior to a trial run to 200 EAD + CO2.



Subject performing a CO2 response curve prior to undergoing the experimental procedure.



In-chamber gas switching manafold. All gases are confirmed with mass spectromtery during the study. Arterial to end tidal CO2 is compared during the different exercise and gas conditions.


In-chamber setup for arterial blood gas collection

Permanent link to this article: http://dukedivemedicine.org/?page_id=1877