Term
| What is carotid sinus syndrome? |
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Definition
| Loss of consciousness from carotid sunus stimulation caused by excessive pressure on the neck from tight neck seal or hood. |
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Term
| What is the effect of carotid sinus syndrome? |
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Definition
| Pressure on the carotid sinuses in the slows the heart and reduces oxygen supply to the brain. |
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Term
| What are the signs and symptoms of carotic sinus syndrome? |
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Definition
| Red face, lightheadedness, loss of consciousness upon exertion. |
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Term
| What is the treatment for carotid sinus syndrome? |
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Definition
| Remove the restriction on the neck and treat for shock. |
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Term
| How do you prevent carotid sinus syndrome? |
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Definition
| Avoid excessive pressure on the neck. |
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Term
| What is patent foramen ovale? |
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Definition
| A hole in the septum between the chambers of the heart caused by a birth defect. |
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Term
| What is the effect of a patent foramen ovale? |
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Definition
| Bubbles from venous circulation shunt to arterial circulation and cause decompression sickness. |
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Term
| What are the signs and symptoms of patent foramen ovale? |
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Definition
| The same as DCS, especially when undeserved. |
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Term
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Definition
| A state in which fluid losses are greater than fluid intake into the body. |
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Term
| What is the cause of dehydration? |
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Definition
| Lack of fluid intake and/or excessive fluid elimination. |
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Term
| What are the signs and symptoms of dehydration? |
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Definition
| Dryness, thirst, signs of shock |
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Term
| What is the treatment for dehydration? |
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Definition
| Administer non-alcoholic fluids, treat for shock |
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Term
| How do you prevent dehydration? |
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Definition
| Drink fluid before and between dives, control body temperature. |
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Term
| What is the diving reflex? |
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Definition
| The slowing of the heart rate caused by submersion into cold water. |
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Term
| What "triggers" breathing? |
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Definition
| A build up of carbon dioxide within the central nervous system. |
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Term
| The normal resting respiratory rate, for an adult, is ____. |
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Definition
| 12-20 breaths per minute. |
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Term
| Normal oxygen consumption, at rest, is ______. |
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Definition
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Term
| Normal oxygen consumption, at work, is _____. |
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Definition
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Term
| What is hyperventilation? |
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Definition
| Rapid or deep breathing tyhat lowers blood carbon dioxide levels below normal. |
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Term
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Definition
| Suffocation during immersion. It's only near drowning if the victim survives. |
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Term
| What are the signs and symptoms of near drowning? |
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Definition
| Coughing, loss of consciousness, pink colored froth from the nose and mouth |
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