Barotrauma

Question 1

Return to Diving after TM Perforation

Answer 1

• Designated divers = full recovery from either TM perforation or acute sinusitis may be reinstated at discretion of UMO
• Any perforation during initial training is disqualifying as per MANMED 15-102

Question 2

Signs and Symptoms of Oval Window Rupture

Answer 2

Vertigo
Hearing loss
Roaring in the the ear
Tinnitus

Question 3

How long does alternobaric vertigo last?

Answer 3

Seconds to 10 minutes

Question 4

What cranial nerves are impacted by Alternobaric Facial Palsy?

Answer 4

7th and 5th

Question 5

What maneuver can be used to treat Alternobaric Facial Palsy?

Answer 5

Toynbee’s Maneuver (Swallow while mouth is closed and nose is pinched)

Question 6

What is the treatment for Alternobaric Facial Palsy?

Answer 6

Recompression to 3 fsw has been found sufficient to restore the capillary refill to nerve.
- Permanent damage may occur if no change in 60 minutes.