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18 Cards in this Set
- Front
- Back
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Pasteurization
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Method of Disinfection
Advantage: -non toxic -no chemical residue Disadvantage: -Not sporicidal |
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UV Radiation
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Method of Disinfection
Advantage: -Virus and bacteria are very susceptible Disadvantage: -poor penetration through H2O, etc -frequent cleaning required -diminishes in potency -may cause skin and eye burns |
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Alcohols (Ethyl & Isopropyl)
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Method of Disinfection
Advantages: -Effective against most microbes -Fast acting (5 min of soaking) -No residues -Non Staining Disadvantages: -Wet contact time of 5 min -not sporicidal -no residual activity -evap may alter efficacy -volatile -may irritate skin -inactivated by organic material |
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Halogens: Chlorine
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Method of Disinfection
Advantages: -Low cost -effective against Hep B and HIV -low level of toxicity Disadvantages: -Corrosive to metals -Inactivated by organic material -Not sporicidal |
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Halogens: Iodine
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Method of Disinfection
Advantages: -Powerful detergent action -effective disinfectant -residual activity Disadvantages: -Corrosive to metals -Stains fabrics, plastics, etc. -May burn tissue |
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Phenolics
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Method of Disinfection
Advantages: -Residual film -Effective against a wide range of microbes Disadvantages: -Eventually residual film must be removed -May cause skin irritation -Requires wet contact time of 10 min -Corrosive to rubber and plastics |
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Quats
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Method of Disinfection
Advantages: -Less irritating to hands -built in detergent properties Disadvantages: -Contact time of 10 minutes -May be neutralized by various materials (so mops need to be made of synthetic fabrics) |
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Gluteraldehyde
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Method of Disinfection
Advantages: -Active in the presence of organic matter -active against all microbes including spores -compatible with metal and rubber -Maybe used as a sterilant by increasing contact time Disadvantages: -Unstable...short shelf life -Expensive -May Cause chemical burns |
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Steam/Dry Heat
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Method of Sterilization
Autoclave (20 PSI, 250 degrees, 30 min, moisture) Flash sterilization (OR only, 30 PSI, 270 degrees, 5 minutes) Advantages: -Inexpensive -Non-toxic -Rapid heating -Highly effective Disadvantages: -Items must be heat and moisture resistant Advantages |
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ETO (Ethylene Oxide)
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Method of Sterilization
A gas, temp, humidity, Time 3-6 hours Must be aerated for about 12 hrs--> 16hrs to sterilize & aerate Advantages: -Lower temp Disadvantage: -Lengthy cycle time -Cost -Toxic to patients and personnel -toxic to environment |
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Paracetic Acid
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Method of Sterilization
endoscopes, cameras, and telescopes 30 min. |
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Hydrogen Peroxide Gas Plasma
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Method of Sterilization
-only byproducts of this method are water vapor & oxygen 1 hour |
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Alcohol
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Antiseptic Agent
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Chlorhexidine gluconate
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Antiseptic agent
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Povidone-iodine
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Antiseptic Agent
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Chlorhexidine gluconate w/ alcohol
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Antiseptic Agent
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Parachoroxylenol (PCMX)
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Antiseptic Agent
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Triclosan
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Handwashing Agent
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