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Chamber Ops Flashcards

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1
Q

Chamber manning levels for recompression treatments?

A

Emergency - 2
Minimum - 3
Ideal - 7

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2
Q

Is a qualified inside tender required to be in the chamber at all times?

A

Yes

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3
Q

Responsibilities of Chamber Sup?

A
  • Communication with personnel in the chamber
  • Maintaining minimum manning levels
  • Ensuring familiarty with recompression procedures
  • Contacting UMO
  • Ensure recompression log is filled out regarding the assessment and treatment
  • Tracking bottom time and deco profiles of personnel in and out of the chamber
  • Ensuring bottom times are logged
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4
Q

Who is the only person that can modify tables?

A

UMO with concurrence from CO/OIC

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5
Q

What should you do before committing to a table 4 or 7?

A

Contact UMO

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6
Q

Specialty code for UMO?

A

16U0 or 16U1

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7
Q

Requirements for non-diving medical personnel to become IT qualified?

A
  • PQS
  • Current DME
  • Meet navy physical standards
  • Pass Diver Candidate Pressure Test
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8
Q

Person comes up unconscious but regains unconsciousness on surface?

A
  • Neuro to rule out AGE
  • Evaluation by UMO - possible near drowning causing aspiration
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9
Q

When is treatment to be continued on TT6 for AGE?

A

Symptoms improved within first O2 period at 60 FSW

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10
Q

When is treatment to be compression to depth of relief OR SIGNIFICANT IMPROVEMENT not to exceed 165FSW?

A

If symptoms are unchanged or worsen

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11
Q

Symptom Categories of Type 1 DCS?

A

MSK pain
Lymphatic swelling
Cutaneous symptoms

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12
Q

Hallmarks for Type 1 pain?

A

dull, aching quality, localized, unaffected by movement

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13
Q

When is pain converted to Type II?

A

Spinal cord involvement

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14
Q

CHAMBER TREAMENT ALWAYS

A
  • Follow treatment tables
  • Have qualified tender
  • Maintain normal descent and ascent
  • Examine patient
  • Treat unconscious patient for AGE or serious DCS unless it can be ruled out
  • Use air treatment tables only if O2 unavailable
  • Be alert for O2 Tox
  • Take patient off O2 for O2 hits
  • Monitor vital signs frequently
  • Observe for recurrence of symptoms, 2 hours for TT5 and 6 hours for all else
  • Maintain timekeeping and recording
  • Maintain primary and secondary
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15
Q

CHAMBER TREATMENT NEVER

A
  • Alter tables without UMO permission
  • Wait for bag resuscitator
  • Interrupt chest compressions for longer than 10 seconds
  • Allow 100% O2 below 60FSW
  • Fail to treat doubtful cases
  • Allow personnel to be cramped leading to poor blood circulation
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16
Q

What is visceral pain?

A

Vague, deep aching pain in chest or abdomen relating to internal organs

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17
Q

Most common cutaneous symptom of DCS?

A

Itching, not treated when transient

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18
Q

Situation where msk pain can be treated on Table 5 even without complete relief?

A
  • No changes after second O2 period
  • UMO deems it most likely orthopedic
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19
Q

3 Types of DCS2?

A

Neurological
Inner Ear
Cardio-Pulmonary

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20
Q

Symptoms of Cardiopulmonary DCS?

A

Chest pain aggravated by inspiration with cough and increasing lung congestion

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21
Q

Key words for whether to stay at 60 or go deeper?

A

Improving
Severe Symptoms are unchanged or worsening

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22
Q

What warrants full extensions at 60FSW even if symptoms resolve in the first O2 period?

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A

Severe Type 2 symptoms

23
Q

Treatment table for uncontrolled ascent deeper than 165?

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A

TT8 to depth of relief not to exceed 225FSW

24
Q

Treatment table for symptomatic Omitted D for ascent deeper than 60?

25
Treatment for altitude Joint pain?
If pain only and resolved before 1ATA, 2 hours 100% O2 on surface followed by 24 hour observation
26
Primary objectives of recompression therapy?
* Crush the bubble, which allows for blood blow to resume * Allow for sufficient time for bubble resorption * Increase O2 content to injured tissues
27
What are the air treatment tables?
1A, 2A, 3
28
What is 1A used for?
Pain relieved less than 66feet
29
What is 2A used for?
pain relieved greater than 66 feet
30
What is 3 used for?
Serious symptoms (again when no O2 available) Symptoms relieved within 30 minutes at 165
31
What if symptoms are not relieved within 30 minutes at 165 during a TT3?
Switch to 4
32
When are TT5s used?
* Type I DCS with complete neuro on surface and 60 feet with relief within 10 min at 60 * Asymptomatic omitted D * Follow-up treatments for residual symptoms * Treatment of resolved symptoms following in-water recompression * CO poisoning * Gas gangrene
33
When are TT6s used?
* Type I DCS without relief within 10 min, or no neuro * Type II * Severe CO, cyanide, smoke inhalation * Asymptomatic omitted D * Symptomatic uncontrolled ascent * Recurrence of symptoms shallower than 60
34
When is TT6A used?
AGE/DCS 2 when symptoms are UNCHANGED OR WORSEN within the first 20min O2 period. This may convert to a TT4 with UMO reccomendation
35
Deal with TT7?
Heroic 48 hours or longer
36
What is TT8 used for?
Deep uncontrolled Ascents with >60 min of decompression missed Compress to depth of relief not to exceed 225f
37
What is TT9 timeline>
90 minutes at 45 feet
38
What is TT9 used for?
* Residual symptoms from AGE/DCS * CO and cyanide * Smoke inhalation ** ONLY on UMOs recommendation
39
what is required to treat non-diving disorders using HBO therapy?
BUMED CODE M95 authorization
40
What type of thermometer should never be used in or around hyperbaric chambers?
Mercury
41
IV fluid rate and type of fluids?
Isotonic 75 to 100cc/hr
42
ACFM for occupants?
2acfm for resting and 4acfm for active
43
When can all chamber occupants be on 100% O2?
45 feet or shallower
44
Typical surface interval between treatments?
18 hours (can be shorter if breathing O2 at 30 feet and shallower) 48 hours (4,7, and 8)
45
PPO2 of treatment gasses?
Between 1.0 and 3.0
46
Treatment gas from 61-165?
50/50
47
Treatment gas from 166-225?
64/36 HeO2 ONLY
48
First O2 hit non convulsion steps?
* Off O2 * Wait 15 minutes AFTER ALL symptoms have subsided * Resume O2 from point of interruption
49
Second O2 hit or convulsion steps?
* Off O2 * WAIT until all symptoms have subsided or relaxed and breathing normal * Decompress 10 feet at 1fsw/min * Resume O2 from point of interruption
50
Third O2 hit or second convulsion>
Contact UMO
51
Loss of O2 during treatment but can be fixed in <15 minutes?
* Maintain depth * Resume O2 from point of interruption
52
Loss of O2 during treatment and cannot be fixed in 15 minutes but can be fixed within 2 hours?
* Maintain depth * Complete treatment with max O2 extensions for TT5, 6, 6A
53
Loss of O2 greater than 2 hours?
Switch to comparable air table at current depth IF symptoms worsen and need to go deeper than 60, switch to TT4
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