Volume 1 - |
Common Diving Related Ear Barotrauma And Its Management |
External Ear Canal Obstruction |
|
|---|---|
| Most common | Significant plug of ear wax |
| Common | Swelling of the external ear canal secondary to infection, |
| Rare | Bony exostoses, |
| Rare | Congenital or acquired stenosis or atresia |
| Rare | Ear plugs |
Eustachian Tube Obstruction |
|
|---|---|
| Temporary | Acute upper respiratory infection ( Flu ) |
| Intermittent | Allergic rhinitis |
| Permanent | Cleft palate or orafacial malformations |
Detail physical examination by experience diving physician can
prevent and treat majority of these risk factors for ear
obstruction. Rare problems may need Otorhinolaryngologist
management.
Middle Ear Barotrauma of Descent Grading |
|||
|---|---|---|---|
| Grade 0 |
Symptoms without signs | |
|
| Grade I |
Injection of the tympanic membrane and along the handle of Malleus | ~ Teed I |
|
| Grade II |
Injection plus slight hemorrhage within the substance of the tympanic membrane | ~ Teed II |
|
| Grade III |
Gross Hemorrhage within the substance of tympanic membrane | ~ Teed III |
|
| Grade IV |
Free blood in the middle ear , bluish drum and bulging | ~ Teed IV |
|
| Grade V |
Perforation of the tympanic membrane | ||
Teed grading is use by US Navy Divers |
|||
Information provided by Scuba Network's Diving Medical Consultant,
Dr. Ronson LI
E-mail to
Dr Ronson LI