Methods used to control the spread of infection 2 Methods used to control the spread of infection 2.02 Understand infection control procedures

2.02 Understand infection control procedures Vaccinations 2.02 Understand infection control procedures

2.02 Understand infection control procedures Vaccinations Administration of a foreign antigen to produce immunity to a disease. Most effective and least expensive method to prevent disease 2.02 Understand infection control procedures

2.02 Understand infection control procedures Vaccinations Injected pathogen may be live, weakened, killed or inactivated Administered to stimulate the immune response 2.02 Understand infection control procedures

2.02 Understand infection control procedures Vaccinations May be given after disease exposure or after the disease was contracted Given by injection or orally 2.02 Understand infection control procedures

2.02 Understand infection control procedures Asepsis Absence of pathogens 2.02 Understand infection control procedures

2.02 Understand infection control procedures Aseptic Control Antisepsis Disinfection Sterilization 2.02 Understand infection control procedures

2.02 Understand infection control procedures Antisepsis effective in preventing or inhibiting the growth of pathogenic organisms Not effective against spores or viruses safe to be used on skin Examples: Alcohol Betadine 2.02 Understand infection control procedures

2.02 Understand infection control procedures Zephiran Disinfection Lysol Chemicals used to destroys pathogenic organisms that are already present Not always effective against spores or viruses not used on skin – used on objects 90% isopropyl alcohol 10% bleach solution formaldehyde-alcohol 2.02 Understand infection control procedures

2.02 Understand infection control procedures Disinfection instruments that don’t penetrate body tissue: dental instruments percussion hammers thermometers 2.02 Understand infection control procedures

2.02 Understand infection control procedures Sterilization kills all microorganisms Effective against spores and viruses methods steam under pressure (Autoclave) Gas (Autoclave) radiation chemicals not used on skin – used on objects 2.02 Understand infection control procedures

Autoclave Sterilization Uses steam under pressure or gas Before wrapping, instruments must be clean Wraps must allow for penetration of steam 2.02 Understand infection control procedures

Autoclave Sterilization Indicators are used to ensure articles have been sterilized Autoclave tape, sensitivity marks on bags or wraps, indicator capsules Contaminated if wrap becomes torn or wet Expires in 30 days 2.02 Understand infection control procedures