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MIDS 137 > Ch 8 (reprocessing) > Flashcards

Ch 8 (reprocessing) Flashcards

1
Q

3 levels of disinfection?

A

-Low level
-High level
-Sterile

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2
Q

When would we use low level disinfection?

A

-Used to clean equipment in place
-Used for equipment that does NOT come into contact with mucous membranes/open wounds
-Used when there is no evidence of biological contamination on the equipment

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3
Q

What cleaning product do we use with low level disinfection?

A

Cavi-Wipe (or similar product)

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4
Q

When would we use high level disinfection?

A

-Used to clean equipment that HAS come into contact with mucous membranes, blood + bodily fluids
-Used to eliminate many or all pathologic organisms

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5
Q

What types of equipment would require high level disinfection?

A

-EV transducers
-Endocavitary probes
-Probes used during biopsies

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6
Q

Where do probes get cleaned with high level disinfection?

A

In a reprocessing room

(purpose built to ensure the cleanliness of the process)

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7
Q

What cleaning agents are used with high level disinfection?

A

Enzymatics, CIDEX, CIDEX OPA, Revital-OX, UV light

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8
Q

When would we use sterile disinfection?

A

-Used to clean reusable equipment that comes DIRECTLY into contact with mucous membranes, blood + bodily fluids
-Used to destroy all forms of microbial life

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9
Q

What types of equipment would require sterile disinfection?

A

In u/s department:
-Biopsy guns
-Metal biopsy trays
-Glassware
-Biopsy guides

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10
Q

What is the process of sterile disinfection?

A

Items are pre-washed with soap + water to remove gross solids before being placed in a bin to be picked up by the CPS/MDR staff

(central processing services/medical device reprocessing)

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11
Q

What is the low level disinfection process?

A

-Wipe off gel from probe
-Use cavi wipe to disinfect probe/machine + leave to air dry
-Ensure we wipe equipment within 5-10 mins of contact time to be fully effective

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12
Q

What happens if we use a wipe on equipment that is not an approved product?

A

We will VOID our warranty. The wipe can damage the equipment + u/s crystals

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13
Q

If there is blood or bodily fluids on our probe, what level of disinfection should we do?

A

High level

(can put any type of probe in the cleaning solution in the reprocessing room, not just EV)

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14
Q

If a probe has been covered with a probe cover, what level of disinfection should we do?

A

High level

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15
Q

What is the high level disinfection process?

A

-Wipe gel + blood off probe
-Scrub probe with an enzymatic sponge for 1-2 min in the dirty sink
-Rinse probe in dirty sink
-Dry probe with lint free cloth + place it into the cleaning solution/device (for 5-7 min)
-Rinse probe in clean sink + wipe with lint free cloth
-Place probe in plastic container or negative pressure storage (if available)

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16
Q

What must we check before we can place a probe into the cleaning solution?

A

-Test solution to ensure it is active
-Check temp to ensure it is warm enough

(some processes don’t require these steps)

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17
Q

How long should a probe soak in the cleaning solution?

A

5-7 mins

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18
Q

Equipment that requires sterilization will be processed where?

A

In a central reprocessing department of a hospital

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19
Q

3 sterile processes used?

A

-Autoclave (steam)
-Gas (ethylene oxide)
-Liquid chemicals

20
Q

What type of process would be used for probes if they require sterile disinfection?

A

Gas or liquid chemicals used

(do not send a probe to the autoclave as they are sensitive to high heat!)

21
Q

What must be done to the equipment before it can undergo the sterile disinfection process?

A

Equipment must have an enzymatic presoak/scrub to remove all biosolids prior to the sterilization procedure

22
Q

4 steps in transporting clean probes?

A

-Wash hands + don gloves
-Clean probe removed from storage cabinet + placed in clean bin (with green cover over it)
-Probe now transported in the bin to the exam room
-Probe removed from bin + covered with probe cover to perform exam (for EV + biopsy procedures)

23
Q

4 steps in transporting dirty probes?

A

-Remove probe cover + wipe gel off
-Place probe into bin + cover with red cover
-Transport bin to reprocessing room
-Place bin on dirty side next to dirty sink

24
Q

What type of chemical disinfectant does camosun use?

A

Revital-Ox resert brand

25
Q

What are 4 benefits of using revital-ox?

A

-Works in 5 min when temp is 20 degrees celsius or higher
-Low odor (2% accelerated hydrogen peroxide)
-Does not need special ventilation (as long as room has 10 air exchanges an hour)
-Is cheap + safe!

26
Q

List other disinfection methods?

A

-UV light
-Trophon EPR
-CIDEX + CIDEX OPA

27
Q

How does a UV light work?

A

Use light for 3 mins after an enzymatic rinse + drying

28
Q

What are cons to using UV lights?

A

-Very expensive
-Bulbs need replacing
-Cycle time is longer (as bulbs age)

29
Q

Where are UV lights used?

A

Comox + Campbell River

30
Q

What is a trophon EPR?

A

A contained unit that uses accelerated hydrogen peroxide formula used with heat in order to disinfect

31
Q

What are cons of using trophons?

A

-Very expensive per cycle
-Burns skin

32
Q

Where are trophons used?

A

No longer used on island

33
Q

What are cons to using CIDEX + CIDEX OPA?

A

-Carcinogenic
-Multiple heath effects

34
Q

Where is CIDEX + CIDEX OPA used?

A

Rarely used anymore

35
Q

What 2 associations describe how medical device reprocessing should be carried out?

A

-Sonography Canada Professional Practice Guidelines
-Canadian Standards Association

(the standards are used to develop reprocessing procedures within all u/s departments)

36
Q

During decontamination, what must we wear?

A

PPE

(according to MSDS - material safety data sheets)

37
Q

How do we go about removing a probe cover?

A

Remove with gloves + dispose of it immediately in the u/s room

(make sure you are using an approved probe cover)

38
Q

Should we disconnect the probe from the system before or after we wipe it?

A

Disconnect it, than wipe the probe + cord afterwards

39
Q

Why should the reprocessing room be separated from function work areas?

A

To maintain oneway flow from dirty to clean, this avoids cross contamination

40
Q

If contaminated items are transported in an open cart, what must it have on it?

A

A waterproof cover, with containers that indicate contaminated medical devices (must be a design that allows for effective decontamination after each use)

41
Q

What must be done prior to the high level disinfection process?

A

-Probe must be cleaned
-Entire cord must be wiped thoroughly

42
Q

Why should we inspect transducers?

A

Look for damage - don’t use if any

43
Q

When soaking a probe, what must we be careful of?

A

Ensure the cleaning solution does not enter the device or connector

44
Q

After the probe is soaked in cleaning solution, what must we do?

A

Rinse it with water

45
Q

To ensure adequate quality control, what must we do as part of the cleaning + decontamination process?

A

Documentation + monitoring

46
Q

List of basic documentation?

A

-Disinfectant
-Test strip
-Probe
-Automated reprocessing machine info

47
Q

What is on the transducer reprocessing record document?

A

-Date
-Transducer serial #
-Pt MRN
-Test strip (pass/fail)
-EXP of test strip
-Solution temp (20 or higher)
-EXP of solution
-Time in/out of solution (5 mins)
-Tech initials

MIDS 137 (14 decks)

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