Lesson 1: Barotraumas
Lesson Objectives
After this lesson, you will be able to:
- Explain the difference between a squeeze and reverse block.
- Identify the anatomical features of the ear that are related to squeezes and reverse blocks.
- Demonstrate the methods used to equalize the ears.
- State the proper response to a middle ear squeeze and reverse block.
- Explain the proper response to a sinus squeeze and reverse block.
- Explain why divers should avoid using decongestant drugs prior to diving.
- Explain why divers should never hold their breath.
- List and define four lung overexpansion injuries.
- State the proper first aid procedures for lung overexpansion injuries.
- State the best prevention against tooth, mask, and digestive system squeezes.
