Drowning And Diving Emergencies

Question 1

What does cold water do to the body?

Answer 1

• Slows metabolic rate of victim

- Can be in cold water for an hour or more and survive

Question 2

Drowning

Answer 2

-Hypoxia and acidosis damage the cells, tissues, and organs, and will lead to cardiac arrest

Question 3

Diving emergencies

Answer 3

• Always assume that there’s spinal injury and manage it with appropriate precautions
• Always look for associates traumatic injuries

Question 4

Dry drowning

Answer 4

• Laryngospasm

- Water can’t get in but neither can air

Question 5

Mammalian diving reflex

Answer 5

-It activates after diving into cold water ( less than 70F)
•Larynx spasm
•Breathing is inhibited
•Heart Rate slows
•Blood Vessels constrict
•Blood flow to the brain and heart increase

Question 6

Fresh water vs. Salt water

Answer 6

• Fresh water- move fluid into circulation—hemodilution

- Salt water- moves water into lungs ——Pulmonary Edema

Question 7

Decompression Sickness

Answer 7

• The bends

- Rising too fast for time and depth in ocean

Question 8

Decompression Sickness S/Sx

Answer 8

• Minimal localized joint pain
• Mottling of the skin
• Localized Swelling
• Not progressive
• Rash
• Headache

Question 9

Arterial Gas Embolism

Answer 9

• Blocking of blood vessels by an air bubble or clusters of air bubbles
• Rapid ascent, air in lungs expands rapidly
• Ruptures alveoli and damaging adjacent blood vessels
• Air bubbles enter the bloodstream

Question 10

Barotrauma

Answer 10

-Ascent or descent when air pressure in the body’s air cavities becomes too great