Term
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Definition
| s defined as the tissue damage resulting from the expansion or contraction of enclosed gas space due a change in ambient (surrounding) pressure. |
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Term
| what is the most common occupational disease of divers. |
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Definition
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Term
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Definition
| “For any gas at a constant temperature, the volume of the gas will vary inversely with the pressure”. If the pressure increases the volume will decrease, if the pressure decreases the volume will increase. |
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Term
| Pressure increases do not affect the ______ areas of the body |
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Definition
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Term
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Definition
| Inability to equalize pressures within the body cavities as pressure increases. |
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Term
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Definition
| Inadequate release of expanding gases in a closed space causing distension |
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Term
| highest cause of death in diving accidents |
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Definition
| BAROTRAUMA OF ASCENT (burst lung syndrome) |
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Term
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Definition
| means tooth pain caused by pressure |
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Term
| most common EAR BAROTRAUMA is: |
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Definition
| Middle Ear Barotrauma of Descent |
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Term
| Middle Ear Barotrauma Recovery: |
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Definition
- 1 week
- 1-3 months if tympanic membrane is severely torn |
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Term
| Middle Ear Barotrauma May Cause: |
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Definition
- tinnitis
- vertigo
- hearing loss (may be permanent) |
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Term
| BURST LUNG SYNDROME is also called: |
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Definition
PULMONARY BAROTRAUMA OF ASCENT
PULMONARY OVERPRESSURE (POP)
PULMONARY OVERINFLATION SYNDROME |
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Term
| 3 MANIFESTATIONS OF BURST LUNG SYNDROME: |
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Definition
1. ARTERIAL GAS EMBOLISM
2. PNEUMOTHORAX
3. MEDIASTINAL AND SUBCUTANEOUS EMPHYSEMA |
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Term
| CAUSES OF BURST LUNG SYNDROME |
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Definition
- voluntary or involuntary breath-hold on ascent - panic
- apparatus malfunction - overpressure
- internal air trapping - asthma, pneumonia, severe cold (congestion) |
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Term
| USUALLY OCCURS DURING OR IMMEDIATELY AFTER SURFACING (within 5-10 minutes) |
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Definition
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Term
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Definition
-ABC’S
-transport to recompression chamber on O2
-Treatment Table 6 |
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Term
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Definition
-alveolar rupture
- gas escapes to mediastinal area and migrates to neck
area under skin |
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Term
| SYMPTOMS OF SUBCUTANEOUS EMPHYSEMA |
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Definition
- difficulty swallowing
- voice change (harsher)
- swelling of neck area
- crepitus (crackling sound) |
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Term
| TREATMENT OF SUBCUTANEOUS EMPHYSEMA |
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Definition
| 100% O2 on surface - near chamber |
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Term
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Definition
| gas escapes into mediastinal area; heart, trachea, and major blood vessels affected |
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Term
| SYMPTOMS OF MEDIASTINAL EMPHYSEMA |
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Definition
-pain in substernal area
-pain may radiate to shoulder, neck or back |
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Term
| TREATMENT OF MEDIASTINAL EMPHYSEMA |
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Definition
-100% O2 on surface - near a chamber
-if vital signs deteriorate - pressurize to DOSR |
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Term
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Definition
- gas in pleural cavity
- damaged lung tissue can act as a one way valve
- gas enters pleural cavity but cannot leave |
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Term
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Definition
-sharp pain on affected side on inspiration
-shallow (pursed-lip) breathing
-diminished breath sounds or movement on affected side
-heart and other lung affected (abnormal heart beat, and breathing affected)
-cyanosis
-trachea displacement
-distended neck veins (jvd -jugular vein displacement) |
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Term
| TREATMENT OF PNEUMOTHORAX |
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Definition
-100 % O2
-hospitalization (chest tube)
If diver is at depth, a chest tube may need to be inserted to get diver to the surface |
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