About The Author

Recent Posts by Barbara Shykoff

What’s All the Fuss about CO2 in Breathing Gas?

February 28, 2018

What’s All the Fuss about CO2 in Breathing Gas?

The acceptable level of inspired carbon dioxide (CO2) in diving gear is a controversial topic. Some current standards1,2 permit up to 20 mBar (2 kPa, 2% SEV) as the average inspired CO2 partial pressure, while []

Hyperoxic Myopia: Information for Divers

October 19, 2017

Hyperoxic Myopia: Information for Divers

Exposure to excessive oxygen can impair distance vision.

This phenomenon, called hyperoxic myopia, is a form of oxygen toxicity that affects the lenses of the eyes.1,2 It is a known risk of hyperbaric oxygen treatment []

Why UPTD Calculations Should Not Be Used

May 29, 2017

Why UPTD Calculations Should Not Be Used

Just over 45 years ago, in 1970, researchers at the University of Pennsylvania used the best information available at the time to derive a model for development of pulmonary oxygen toxicity.1,2 The measurement  they used []

Oxygen Seizures at PO<sub>2</sub> ≤ 1.6 Bar: How Rare?

March 27, 2017

Oxygen Seizures at PO2 ≤ 1.6 Bar: How Rare?

Central nervous system (CNS) oxygen toxicity literally means the poisoning of the brain by too much oxygen. CNS oxygen toxicity is very scary, particularly in the water, where any of the signs or symptoms poses []

Categories

Upcoming Dive Shows

Shearwater Research will be at the following dive shows:

DEMA SHOW 2019 (Orlando)

Read More / Nov 13-16 Booth No. 2537

Baltictech 2019

Read More / Nov 23-24 24

DRT HONG KONG 2019

Read More / Dec 13-15 Booth No. 232

2020 Diving Festival Tokyo

Read More / Feb 1, 2020 - Feb 2, 2020

View All

2020 Underwater Intervention

Read More / Feb 4, 2020 - Feb 6, 2020 306

2020 Boston Sea Rover

Read More / Mar 7, 2020 - Mar 8, 2020

2020 Beneath the Sea

Read More / Mar 27, 2020 - Mar 29, 2020 738

2020 TecFestNZ

Read More / Apr 6, 2020 - Apr 8, 2020

2020 Adex Singapore

Read More / Apr 17, 2020 - Apr 19, 2020 Booth P10

2020 DRT Shanghai

Read More / Apr 24, 2020 - Apr 26, 2020

2020 TEKDiveUSA

Read More / Apr 25, 2020 - Apr 26, 2020 41

2020 Scuba Show Long Beach

Read More / May 30, 2020 - May 31, 2020 720

2020 MIDE

Read More / Jun 12, 2020 - Jun 14, 2020 406