Hand-borne Microorganisms Healthcare providers contaminate their hands with 100-1000 colony-forming units (CFU)of bacteria during “clean” activities (lifting patients, taking vital signs). Prevents healthcare-associated infections.Reduces the spread of antimicrobial resistance.Hands are the most common mode of pathogen transmission.Open film packs, drop on to clean surface, discard wrappers.Gloves removed after all films exposed and hand hygiene performed.Exposed film paced in paper cup or paper towel.Radiology Asepsis Asepsis during darkroom activities All reusable items that contact mucous membranes must be heat sterilized or high-level disinfected.Digital radiographic sensors should be placed in FDA-cleared barriers.Use heat-tolerant or disposable intraoral film-holding and positioning devices.Use films held within FDA-cleared barrier pouches.Wear appropriate PPE to reduce personnel exposure.Wear appropriate PPE (gowns, gloves, safety eyewear, mask) until items have been decontaminated.Heat labile items (prosthetics, impressions, bite registrations, and occlusal rims) should be disinfected by immersion or spray using an EPA-registered disinfectant.Heat tolerant items (impression trays) should be sterilized.Clean and disinfect or sterilize all items coming from the oral cavity.Breaks in technique are pointed out and action is taken to eliminate them.Īsepsis in Dental Laboratory and Radiology.When contamination occurs, address it immediately.Every case is a potential source of contamination and the same infection control precautions are taken for all patients.Recognize potential environmental contamination.The OR technique of the surgeon is very important.The surgical scrub should be done meticulously.The operating personnel should not be the source of contamination.The patient should not be the source of contamination.Keep sterile and not sterile items apart.Surgical Asepsis Practices designed to render and maintain objects and areas maximally free from microorganisms: Sterile Technique Surgery increases the risk of infection! Navy Medicine/CC Patients environment should be as clean as possible.Single use items can be a source of contamination.Health care providers (HCP) should be free from disease.Principles of Medical Asepsis The healthcare team and the environment can be a source of contamination for the patient Utilize appropriate personal protective equipment (PPE).Body fluids can be the source of infection for the patient and you.Principles of Medical Asepsis All body fluids from any patient should be considered contaminated When handling items that only touch patient’s intact skin, or do not ordinarily touch the patient, make sure item is clean and disinfected (between patients).Perform hand hygiene between patient contacts.Principles of Medical Asepsis Even though skin is an effective barrier against microbial invasion, a patient can become colonized with other microbes if precautions are not taken. When placing an item into a sterile area of the body, make sure the item is sterile.When invading sterile areas of the body, maintain the sterility of the body system.Perform hand hygiene and put on gloves.Principles of Medical Asepsis When the body is penetrated, natural barriers such as skin and mucous membranes are bypassed, making the patient susceptible to microbes that might enter. Keep the first three conditions separate.Medical Asepsis Measures aimed at controlling the number of microorganisms and/or preventing or reducing the transmission of microbes from one person-to-another: Clean Technique Describe the principles and practice of asepsis.Module E Principles and Practices of Asepsis Role of hands and the environment in disease transmission
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