Asepsis/ Infection Control Flashcards
Poisoning of the tissues
Sepsis
When the infection is transported by the blood
Septicemia or bacteremia
Signs & Symptoms of ______: fever, rashes, malaise, nausea& vomiting, diarrhea, purulent discharge and total body collapse if left untreated.
Tissue injury
_____ is as a result of the release of toxins and enzymes by the invading microorganism.
Tissue injury
Low temp sepsis. More dangerous because of absence of fever. Fever is needed to fight infection
Cold sepsis
Inflammatory state affecting the whole body
SIRS - Systemic Inflammatory Response Syndrome
Hand washing Cleaning Disinfection Sterilization Barriers/ PPE
Aseptic technique
Called transmissible spongiform encephalopathy’s (TSE’S)
Prions
Strains of staph emerged resistant to penicillin. Now quite extensive list of organisms
Multidrug-Resistant Organisms- MDRO’s
Bacteria Viruses Fungi Parasites Prions Multidrug-Resistant Organisms
Agents of infection
MRSA,VREF, TB, Klebsiella pneumonie,Pseudomonis aeruginosa,Neiseria gonorrhoeae,Enterococcus species,CA-MRSA etc
MDRO’s
All are capable of killing cells
Bacteria
Mutation of viruses
Enterovirus, neurovirus
When viruses mutate they usually mutate to ______
a lesser form
Affects the brain. TSE and mad cow disease. Neurodegenerative. Untreatable. Leads to death
Prions
Breaks down antibiotics and makes them ineffective. Ex. MRSA
ESBL - Extended Spectrum Beta Lactamase
Living there but not making ill. Can spread by scratching
Colonize
Takes 3 months to rebuild gut bacteria after a full course of _____
Antibiotics
Several things done to prevent infection. Ex. shower, change sheets, wipe body
Bundling
Source of infection
Reservoir
How infection leaves the source ie mouth
Portal of exit
Droplets, airborne, bloodborne
Means of transmission
The site through which micro-organisms enter the susceptible host and cause disease/infection. ie Broken skin
Portal of entry
The ability to harm and cause disease
Pathogenicity
The vigor with which the organism can grow & multiply
Virulence
Vectors are mosquitoes, ticks, rats, syringes, and fleas that spread pathogens. ______diseases are human illnesses caused by parasites, viruses and bacteria that are transmitted by vectors.
Vector-borne
____ protects against droplets like flu
Surgical mask
HAI
Hospital acquired infections
Refers to only hospital acquired infections
Nosocomial
Virus killed by air
HIV
Disease that can live on surfaces for up to 48 hrs
Hep B
Can patients be on more than one type of isolation?
yes
Examples of airborne diseases
Covid, TB, measles, chickenpox
Patients that need reverse isolation
Immunocompromised
Dust can also carry
Airborne infections
Negative Pressure Room
AIIR - Airborne Infection Isolation Room
Hand washing technique
wash for 15-20 seconds warm water soap friction rinse hands down
Linen hamper should be placed ____
outside door
Bloody items, body parts from surgeries can be disposed of in_____
Red bags
Liquids can be disposed of here. Even if contaminated
Flushed down the toilet
Clinical non infection waste such as chemo products can be disposed of at
Yellow bags
Hospital waste must be _____ to disposed at landfill
incinerated
Amount of time something must stay on a surface
Dwell time
Dwell time of cleaning wipes
2 minutes
Dwell time of bleach
3 minutes
Disinfects a room in 20 minutes but harmful to humans if direct
UV lights
Do not talk excessively over
sterile items
What happens if you turn your back on a sterile field?
It is considered contaminated
Hands below the waist are considered _____
contaminated
Wet objects on a sterile field
no longer sterile
Pouring technique
Identify correct solution Note expiration date After removing cap, pour small amount off into waste container to clean lip of the bottle Pour away from the label Date and time of opening
Wash hands ____ and ____ using gloves
before and after
2 people with the same illness in the same room
Cohort
Room before isolation room to change/ don PPE.
Anteroom
Mask is taken off _____ room
outside
Barriers are used how may times?
once
In immunocompromised patients room, there is no_____
No standing water
no fresh produce
no uncooked meats
What can contaminate a negative pressure room?
An open door
Standard precautions: used for ALL patients
Transmission Based: used for patients with known or suspected diseases
is called?
Level 2 policy