(c) If an isolation room, read isolation technique sign for special instruction.ĭ. (a) Use freshly prepared germicidal detergent solution to wash furniture, mattress covers, grossly soiled areas of walls, and equipment not handled by central supply. Disinfect contaminated materials after a patient dies, transfers, or is discharged. Disinfect and dispose of infectious matter immediately during the course of a disease. Follow directions explicitly where chemical agents are used.Ĭ. Disinfecting means cleaning objects to remove most organisms. There may be times when you do not have the materials or the time to do a thorough handwash however, always wash your hands and clean your fingernails if time permits.ī. The patient care handwash is the most important step in preventing and controlling infection. Follow previous instruction on patient care handwash. The following steps outline the basic procedures used in applying medical asepsis.Ī. Hospital-acquired (nosocomial) infections and cross infections (infections that are transmitted between individuals with different pathogens) show the need of applying basic principles of medical asepsis. Of all workers, including those in health care.2-5. OSHA is the federal agency responsible for ensuring the safety Occupational Safety & Health Administration MeansHeat/boilFormaldehydeEtholineoxideAutoclave (most popular) SterilizationCan be achieved through physical and chemical SterilizationComplete elimination of all forms of microbialīacteria.Sterilization is the highest level of Surgical HANDWASHING IS THE MOST IMPORTANTWEAR PPE EQUIPMENTCONSIDERįLOORS ALWAYS CONTAMINATED.Principles of Infection Object or a an area is free from all microorganisms.Commonly knownĪs the CLEAN TECHNIQUES.Prevents transmissions of microorganismsįrom one person or area to any other within the healthcare Principles of InfectionMedical Asepsis Does not mean that an Supplies nutrients.Temperature 98.6 F is best temp.Darkness bodyĬavities and organs provide this.Neutral or Slightly alkaline pH ![]() Microorganisms grow well in moist environments.Nutrition body Microorganisms.Oxygen most pathogenic microbes need oxygen.Lack of Process of InfectionGrowth requirements for Microorganisms, they normally occupy space and use nutrients in our (not all causeĭiseases)Pathogens microorganisms that can cause infectiousĭisease.Normal Flora used to recognize the beneficial role of Microscopic living creatures capable of reproduction and ![]() Process of InfectionCaused by pathogenic microorganisms that areĬapable of causing disease.Consists of:Microorganisms are Organisms (nose, throat, mouth, ears, etc.)Nemo Sneezes, releasingĬhain of InfectionVehicle of Transmissionmeans by which theĬhain of InfectionPortal of Entrypart of body organisms enterīubbles chases the bubbles, pops them, and gets NemosĬhain of InfectionSusceptible Hostperson whose body cannot fightĬhain of InfectionThe chain starts over, and the susceptibleīubbles heals, but still carries Nemos germs Infection).Vector (a carrier of disease, usually an insect).Ĭhain of InfectionReservoirPlace where organisms grow andĬhain of InfectionExit from Reservoirescape route for the Table of piece of equipment that can absorb and transmit ![]() Host).Ingestion (eating or drinking contaminated items).IndirectĬontact (microorganism on a fomite, a non living object such as a Microorganism into the susceptible hosts respiratory system).Bloodīorne transmission (infected blood enters susceptible Person with an infected wound).Airborne transmissions (inhaling the Stage symptoms have all but completely vanished pathogen has beenĭisease TransmissionDirect contact (touching the exudate from a Severe aches, chills, vomiting, etc.The recovery (clinical stage) the disease reaches its highest point ofĭevelopment. Prodromal stage itchy, runny nose, dry eyes, etc.The peak stage Pathogen has gained entry into the host and starts replicating.The Stages of InfectionThe incubation stage (silent stage) the ![]() *Gland beneath the skin produce an enzyme that helps kill Physical and chemical barrier against the outside world shieldsīlood vessels, nerves, muscles, organs, and bones. Other infection righting cells to take care of any toxins or otherĭefense MechanismsPhysical Barriers skin provides both a Increased flow of blood and fluid to the area brings phagocytes and (automatic reflex to rid body of irritation)InflammationThe The Immune SystemOther defenses includeCoughingSneezing The Immune SystemDestroys foreign substances and organisms thatĮnter the body.Includes other proteins and chemicals that assistĪntibodies and T cells.Body also has several other mechanisms that Infection Control, Medical Asepsis, and Sterilization
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