ADP Chapter 4 Flashcards

1
Q

What factors contribute to DCS?

A
Ascent rate too rapid 
improper depth monitoring
Work load 
Improper timing of stops 
Cold 
dehydration
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2
Q

What are the types of DCS?

A

Type 1 = pain only

Type 2 = CNS involvement

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3
Q

What time scale do symptoms occur in?

A
42% = 1 hour 
60% = 3 hours 
83% = 8 hours 
98% = 24 hours
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4
Q

What is type 1 DCS?

A

Joint and muscle pain, swelling or pain in lymph nodes, skin symptoms
Shoulder, elbow or wrist are common
Itching is common, then discolouration

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5
Q

What is type 2 DCS?

A

Tired, weak, hearing problems, walking problems, difficulty urinating
Split into neurological and cardiorespiratory

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6
Q

What is the ‘chokes’?

A

Difficulty breathing, painful inhalation and SOB

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7
Q

5 minute neuro exam

A
Orientation - name, DOB, where they are
Eyes - H movement, pupils equal and responding to light 
Forehead = sensation and movement 
Face = movement 
Ears = check hearing
Gag reflex = get them to swallow 
Tongue = stick out 
Shoulders = shrug
Arms = squeeze fingers, test strength 
Chest = skin sensation 
Legs = strength 
Heel to toe = walk heel to toe for balance
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