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Ear Problems in Diving – Part 3: The Inner Ear

Words
Dr Michael Rothschild
Images
Diagram of the ear
Figure 1. Diagram of the ear, showing the anatomy of the inner ear. (Image source: Wikimedia / CC BY 2.5. Labels: Dr Michael Rothschild)
➥ Download the full article as pdf ⬅︎

Many people suffer from ear problems during and after diving. Technical rebreather diver and underwater photographer Dr Michael Rothschild is an ear, nose and throat specialist in New York City. In this series, he walks us through some of the common causes of dive-related ear problems, and how to treat and prevent them.

DAN Thanks Dive Pros and Businesses for a Great 2022

2 months ago By Matthew Meier

Its Enhanced Membership, launched earlier this year, has already been adopted by more than half of its members.

Its liability insurance program has been embraced by every training agency in the industry.

And now, DAN has the highest number of Business Members and Professional Members in the history of the organization.

“We are so grateful for the support we receive from the wonderful people of this industry,” said DAN president and CEO Bill Ziefle.

Ear Problems in Diving – Part 2: The Middle Ear

Words
Michael Rothschild, MD
Images
Diver equalizing. Photo: Torben Gregersen/Flickr/CC BY NC 2.0
Diver equalizing. Photo: Torben Gregersen/Flickr/CC BY NC 2.0
➥ Download the full article as pdf ⬅︎

Many people suffer from ear problems during and after diving. Technical rebreather diver and underwater photographer Dr Michael Rothschild is an ear, nose and throat specialist in New York City. In this series, he walks us through some of the common causes of dive-related ear problems, and how to treat and prevent them.

Out of Control

Words
Simon Pridmore
Images
Narcosis vortex
Narcosis is the biggest threat to a diver on an air dive to 60m (200ft).
➥ Download the full article as pdf ⬅︎

In his Scuba book series, Simon Pridmore often tells tales of diving close calls or near misses. He tries to identify the key factors and suggest what the divers might have done differently to pre-empt or better deal with what happened. All the stories are true. Some he witnessed, some were recounted by friends, and others just crossed his radar screen at some point to be filed away for future sharing.

DAN Announces DEMA Show Party, Seminar Schedule, and More

3 months ago By Matthew Meier

As your dive safety organization, we will raise a glass to all who work tirelessly to promote safe diving. We hope you’ll join us on Tuesday, November 1, 6:30 p.m. – 8:30 p.m. at the Rosen Centre Hotel in Ballroom Grand C.

Meet With DAN

If you’re planning to be at the show, make an appointment to learn what DAN can do for your dive business. We have numerous programs you can benefit from, including Student Membership, rewards for new member referrals, and discounts on both retail products and professional liability insurance.

DAN and Indonesia Ministry of Tourism Advance Commitment to Safe Diving

4 months ago By Matthew Meier

DAN President and CEO Bill Ziefle and COO Panchabi Vaithiyanathan met with Indonesia Minister of Tourism Dr. Sandiaga Uno on September 1 to further the two organizations’ Partnership to Promote Diving Safety.

The meeting took place in Jakarta amid the opening of Deep and Extreme Indonesia, Asia’s largest outdoor adventure, diving, and marine tourism show, and followed the signing of a memorandum of understanding earlier this year in which the organizations committed to working together to promote safe diving.

Ear Problems in Diving: Part 1 — The Outer Ear

Words
Michael Rotschild, MD
Images
Lars Chittka; Axel Brockmann; as modified by Jmarchn / CC BY 4.0
Lars Chittka; Axel Brockmann; as modified by Jmarchn / CC BY 4.0
➥ Download the full article as pdf ⬅︎

Many people suffer from ear problems during and after diving. Technical rebreather diver and underwater photographer Dr. Michael Rothschild is an ear, nose and throat specialist in New York City. In this series, he walks us through some of the common causes of dive-related ear problems, and how to treat and prevent them.

Thermal stress

Words
Neal W. Pollock
Images
Andrey Bizyukin
A rapid chilling of superficial skeletal muscles (conductive cooling) creates a crippling weakening.
Download the full article as pdf ⬇︎

Thermal issues affect the comfort, performance and decompression stress experienced by divers. The impact varies with the timing, direction and magnitude of the thermal stress. Thermal protection can be provided by a variety of passive and active systems. Active systems should be used with particular care since they can markedly alter inert gas exchange and decompression risk.

DAN Offers Regional Emergency Hotlines in Latin America, the Caribbean, and Asia Pacific

6 months ago By Matthew Meier

Earlier this year DAN launched a dedicated Spanish-language emergency hotline. Now, Spanish-speaking divers can call +52-557-100-0540 to talk to Spanish-speaking medical professionals.

Although DAN has had Spanish-speaking medical staff for many years, the Spanish-language DAN Emergency Hotline means that now the person who answers the call will speak the caller’s own language.

This new hotline follows the Portuguese-language DAN Emergency Hotline (+55-11-3042-1157) that was launched in 2015 for divers in Brazil.

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