L11 Sterilization Flashcards
Types of cleaning
Sterilize: destroy everything including spores: Inanimate objects
Disinfect: destroy everything besides spores: inanimate objects
Antiseptics: destroy pathogenic micros on human tissue
FDA vs EPA
FDA: sterilization, antiseptics, Disinfectants
EPA: Disinfectants used on non-critical surfaces
High
Intermediate
Low disinfection
High: all organisms and No spores
Intermediate: tuberculosis, most viruses, most fungi, No spores
Low: most bacteria, some viruses, some fungi, NO tuberculosis, no spores
Levels of sterilization
Critical
Semicritical
Non critial
Critical: Sterilization
Semi: high/intermediate disinfection
Non: low level disinfection
Autoclave conditions
121 C/250F
15 psi
15-20 minutes
Spores used to monitor autoclaves and dry heat
Autoclave: Bacillus stearothermophilius
Dry heat: Bacillus subtilis
Antiseptic hand cleansers
Chlorhexidine gluconate
Parachlorometaxylenol
Iodophors
How long for alcohol washing
20-30 sec
How long for soap and water washing
40-60 seconds
Critical
Semi-critical
Non-critical
Critical: come into contact iwth tissues or vascular system ie instruments
Semi: come into contact with mucous membranes or non intact skin ie curing light
Non: touch intact skin ie bp cuff