Recompression Tables

Question 1

Diver at rest ? Air?

Answer 1

2 acfm

Question 2

Diver not at rest, air?

Answer 2

4 acfm

Question 3

Diver at rest. diver not at rest? O2

Answer 3

12.5 acfm

25 acfm

Question 4

When do you go to treatment table 6 from 5 w/ pain only symptoms?

Answer 4

When there is not complete* relief with in 10 minutes at 60 fsw

Question 5

Capability of chamber ?

Answer 5

Pressurize to 165 
Treatment table 6 a min 
Inner lock once 
Outer kick twice 
Vent as specified

Question 6

No bibs overboard dump
No co2 scrubber
No air bibs no o2 and co 2 monitor

Answer 6

Category A

Question 7

Bibs overboard dump
No co2 scrubber
No air bibs
O2 and co2 monitors

Answer 7

Category B

Question 8

Bibs overboard dump
Co2 scrubber
No air bibs
O2 and co2 monitors

Answer 8

Category c

Question 9

Bibs overboard dump
Co2 scrubber
Air bibs
O2 and co2 monitor

Answer 9

Category D

Question 10

What category chamber do we have?

Answer 10

D

Question 11

Bibs overboard dump 
Co2 scrubber 
Spare co2 scrubber
Secondary power supply
Nitrox bibs 
No air bibs

Answer 11

Category E

Question 12

If used to conduct sur “d” must also have how much air?

Answer 12

Enough to do a TT6a

Question 13

How do you calculate system capacity?

Answer 13

5 x volume of inner lock(5 ata’s equivalent to 165) +
10 x ol volume
+ required ventilation

Question 14

Secondary air supply must be able to pressurize inner and outer _______ to 165

Answer 14

Once

Question 15

Table 6 a max extensions?

Answer 15

2 additional 25 minute periods at 60 ( 20 on o2 5 air brake)
Or up to 2 additional 75 minute periods at 30 feet (60 mins on o2 15 mins on air) or both

Question 16

Emergency chamber is defined as

Answer 16

Closest recompression chamber when a chamber is not required immediately available or ready

Question 17

Co 2 sev less than?

Answer 17

1.5

1.5 /
depth in ata
equals percentage

Question 18

O2 rates percentage desired?

Answer 18

19-25 %

Question 19

Equation for o2 needed in chamber

Answer 19

Depth+ 33/ 33 
X
Rmv 
X
Time 
X
Number of divers on o2

Question 20

When do you use treatment table 5?

Answer 20

Type 1 dcs - complete relief w/in 10 mins at 60 fsw
And complete nuero

Asymptomatic omitted d

Treatment of resolved symptoms following in water d

Follow up treatments for residual symptoms

Carbon monoxide( co) poisoning

Gas gangrene

Question 21

If o2 breathing must be interrupted due to cns o2 tox - actions?

Answer 21

Allow 15 mins after reaction has entirely subsided and resume schedule at point of interruption

Question 22

When is table 6 used?

Answer 22

Age 
Type 2 dcs 
Type 1 - sever pain / unchanged or worsening within 10 mins at 60 fsw 
Cutis marmorata
Severe co poisoning - severe headache/ vomiting 
Cyanide poisoning 
Smoke inhalation 
A symptomatic omitted d - deeper than? 
Symptomatic uncontrolled ascent
Recurrence of symptoms shallower than 60

Question 23

6a - ascent rates ?

Answer 23

165 - 60 not to exceed 3 per min

Shallower than 60 not to exceed 1