Chapters 1& 2 Flashcards
(374 cards)
Infection prevention
The way you prevent diseases from spreading
Infection preventionist
Required Professional that oversees infection prevention programs.
Who is responsible for preventing infections
All employees, including NAs
Microorganism
Microbe. Small living thing you can only see with microscope
Infections
Bad microorganisms (pathogens) invade body and multiply
Localized infection
Infection in one part of body
Systemic infection
Infection that affects entire body. Travels through blood.
What can a systemic infection cause?
Fever, chills, mental confusion, low BP
Healthcare-associated infection (HAI)
Infection acquired in a healthcare setting within 36 hours while patient was under care. Insurance doesn’t have to pay for it.
Describe the chain of infection
- Causative agent
- Reservoir
- Portal of exit
- Mode of transmission
- Portal of entry
- Susceptible host
Causative agent
Pathogen or microbe that causes disease
Reservoir
Where pathogen lives & multiplies
Portal of exit
Body opening that let’s pathogen leave. Nose, mouth, eyes or cuts
Mode of transmission
How pathogen travels, contact, droplet and airborne
Direct contact
Touching infected person and their secretions
Indirect contact
Touching something that was contaminated by infected person. Needle, dressing or tissue.
Primary route of disease transmission in healthcare settings
Hands of healthcare workers
Portal of entry
Body opening that lets pathogens in. Nose, mouth, eyes, mucous membranes, cuts and cracked skin.
Mucous membranes
Membranes that line cavities. Linings of mouth, nose, eyes, rectum and genitals
Susceptible host
Uninfected person who could get sick.
Immunizations
Reduce a person’s chances of getting sick from things like hep b and influenza
Transmission
Passage of infectious diseases
Most important way to stop infection
Hand washing
Medical asepsis
Measures used to prevent the spread of pathogens