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Dive Sup > Chamber Misc > Flashcards

Chamber Misc Flashcards

1
Q

What are the DMO codes?

A

16U0 - Basic undersea medical officer

16U1 - residency in undersea medical

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2
Q

Differentiate between IEB and inner ear DCS

A

Place divers head between his legs

If symptoms get worse, IEB

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3
Q

DCS Type 2 Treatment

A

Sx improve within first o2 period-tt6

Sx not improved-press to DOR

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4
Q

85-94 degrees treatments

A

TT 5, 6, 6a, 1a, 9

6hrs

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5
Q

Joint pain aviation DCS after reaching 1 ata

A

Before reaching 1 ata - 2 hrs of o2 on surface, 24 hr observation after
After reaching 1 ata - tt5

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5
Q

When can you use tt3

A

Serious symptoms that relieve within 30 min at 165

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6
Q

When can a patient sleep?

A

Anytime not on o2

30 feet and shallower on o2

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9
Q

Asymptomatic omitted d, 20-30 fsw stop, 1-7 min SI

A

In water- return to first stop depth, multiply stops by 1.5

In chamber- follow surface d rules

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10
Q

What is tt8 used for?

A
  • treats deep uncontrolled ascent when more than 60 min of decompression is missed
  • compress to depth of relief not to exceed 225 fsw
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11
Q

Asymptomatic omitted d, 20-30 fsw stop, over 7 min SI

A

In water- Return to stop depth, multiply stops by 1.5

In chamber- 2 or less chamber periods, TT5
- 2.5 or more chamber periods, TT6

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12
Q

What is a level 1 chamber?

A

On station or within 5 min

CO can authorize it to 7 min

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13
Q

When is a tt7 used?

A
  • Extra extension at 60 fsw

- heroic measure for life threatening or non responsive AGE or DCS

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14
Q

When do you use tt6a?

A

AGE or DCS when severe symptoms remain unchanged or worsen after first o2 period (20 min)

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15
Q

What is a level 2 chamber?

A

One hour

First flag officer can authorize this to be a Non-Navy chamber

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17
Q

95-104 degrees treatment

A

TT 5,9

2 hours

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18
Q

AGE Treatment

A

Sx improves within first o2 period-tt6

Sx not improved-press to DOR

18
Q

How high can an unpressurized aircraft go with a patient?

A

1 ata or less than 1000 ft

19
Q

How do you tell if a patient is properly hydrated?

A

Clear, colorless urine

20
Q

Chamber Sup Responsibilities

A
  1. Establish comms
  2. Adhere to min manning levels
  3. Ensure all team is familiar with ops
  4. Ensure DMO is contacted at earliest
  5. Patient details are recorded
  6. Track BT and dive profiles
  7. Dive times are recorded
20
Q

When is tt4 used?

A

When patient would receive additional benefit from depth of relief. UMO should be consulted.

21
Q

What is a tt5 use for?

A
  • type 1 DCS except cutis marmorata
  • asymptomatic omitted decompression
  • resolved symptoms after in water recompression
  • follow up treatment for residual symptoms
  • CO poisoning
  • gas gangrene
22
Q

What is a tt6 used for?

A
  • AGE
  • DCS Type 2
  • DCS Type 1 when no complete relief within 10 min at 60 fsw or a neuro isn’t completed on surface
  • cutis marmorata
  • severe CO poisoning, cyanide poisoning, smoke inhalation
  • asymptomatic omitted decompression
  • symptomatic uncontrolled ascent
  • reoccurrence of symptoms shallower than 60 fsw
25
Q

Asymptomatic omitted d, less than a min

A

Return to Stop depth and add a min to first stop

26
Q

How to compress a patient with an IEB?

A

Heads up

Slow and gentle

26
Q

Can you use expired co2 absorbent?

A

Nope

29
Q

Reoccurrence of symptoms shallower than 60fsw

A

Return to 60fsw

3 o2 periods

30
Q

Round window or oval window more likely to rupture?

A

Round window

31
Q

How does one qualify for a diver pressure candidate test?

A

Dive physical

31
Q

What is the diver candidate pressure test?

A

Compress to 60fsw @75fpm (10fpm min)

Stay at 60fsw for 10 min

Candidates will stay at immediate chamber for 15 min

Candidates will stay at facility for an hour

32
Q

Asymptomatic omitted d, no d missed

A

Observe on surface for an hour

33
Q

Greatest hazard in a chamber

A

Fire

33
Q

What is a level 3 chamber?

A

6 hours

CO can authorize this as a Non-Navy chamber

CO can authorize the nearest approved chamber outside of 6 hours in extreme cases

34
Q

What is a tt9 used for?

A
  • residual symptoms from AGE/DCS
  • selected cases of CO or Cyanide poisoning
  • smoke inhalation
34
Q

Chamber occupants can breathe 100% o2 without locking in additional tenders at what depth?

A

45fsw or shallower

35
Q

Chamber Manning Levels

A

Min-3
Ideal-7
Emergency-2

36
Q

Asymptomatic omitted d, more than 30 fsw stop

A

In water- return to first stop, follow normal decompression until 30fsw, multiply 30 and 20 fsw stops by 1.5

In chamber- TT6 (stop deeper than 50fsw, compress to 165)

Dive Sup (8 decks)

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