Continuing Education Center, DMT Recertification Only

Welcome to the NBDHMT Continuing Education Center. The first two “enduring materials” learning opportunities below were recorded during the Board’s 2022 diver medic refresher training sessions. There is US $40.00 fee associated with viewing them and acquiring 4.0 continuing education credits per each four-hour session. The individual lectures that follow can be viewed at no charge. If you successfully answer the accompanying questions, you will earn one credit per lecture.

Diver Medic Refresher Training: Session One 2022

Previously recorded virtual Zoom sessions February 4, 2022

Cerebral Gas Embolism Updates

Tracy L. Le Gros, MD, PhD, UHM


Keith Van Meter, MD

Invasive Procedures

Sean P. Hardy, MD, ACEP, UHM

Marine Hazards

Heather Murphy-Lavoie, MD, FAAEM, FACEP, UHM/ABEM

Medical & Operational Safety

Mike Donelon, NREMT, CHT, DMT

Recompression Procedures

Dick Clarke, CHT

Treatment of Saturation Diving Decompression Sickness

Dick Clarke, CHT

Decompression Sickness

Sean P. Hardy, MD, ACEP, UHM

Destination Planning SOPS

Sean P. Hardy, MD, ACEP, UHM

Immersion Pulmonary Edema

Sean P. Hardy, MD, ACEP, UHM

Marine Life Injuries

Sean P. Hardy, MD, ACEP, UHM

Other Pulmonary Overinflation Injuries

Sean P. Hardy, MD, ACEP, UHM

The Diver's Environment

Sean P. Hardy, MD, ACEP, UHM

Thermal Imbalance

Sean P. Hardy, MD, ACEP, UHM

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Updated April 20, 2023