Barotrauma

Question 1

What is defined as damage to body tissues from the mechanical effects of pressure, results when pressure differentiates between body cavities?

Answer 1

Barotrauma

Question 2

What are the types of Barotrauma?

Answer 2

1) Ear squeezes
2) Sinus squeeze
3) Tooth squeeze

Question 3

What enables a diver to equalize pressure in the Middle ear?

Answer 3

Eustachian tube

Question 4

If the diver cannot equalize the pressure in the Middle ear the diver will experience a “squeeze” which may result in___________________________________. (3)

Answer 4

1) TM Rupture
2) Tissue damage
3) Coclea/vestibular apparatus Injury

Question 5

What are the symptoms of “Ear Squeeze” Barotrauma?

Answer 5

1) Sharp pain in the ear
2) Rupture of the tympanic membrane
3) Vertigo
4) Tinnitus
5) Hearing Loss
6) Nausea/Vomiting

Question 6

1) Sharp pain in the ear
2) Rupture of the tympanic membrane
3) Vertigo
4) Tinnitus
5) Hearing Loss
6) Nausea/Vomiting

What is your treatment?

Answer 6

1) HEENT/Heart/Lung Exam
2) Decongestants
3) Pain Meds

Question 7

If a ruptured eardrum is expected, what should be avoided?

Answer 7

Medications administered into the ear canal UNLESS you consult ENT

Question 8

If a diver starts to experience an Ear Squeeze, what could be done to avoid a TM Rupture?

Answer 8

Valsalva to equalize pressure