asepsis Flashcards
definition of infection
a disease that results from a pathogen in or on the body
HAI
healthcare-associated infections that develop during the course of treatment for other conditions
top offenders of HAIs
-UTIs
-surgical site infections
-bloodstream infections
-pneumonia
nosocomial
something that originated or occurred inside the hospital setting
Hospitals will not be paid for costs relating to the following 3:
CAUTIs
vascular catheter-related infections
surgical site infections
factors predisposing patients to nosocomial infections
-use of invasive medical devices
-antibiotic-resistant organisms developed in hospitals
-poor compliance with handwashing, standard precautions and transmission-based precautions
bacterial
most significant and most prevalent in hospital infections
virus
smallest of all microorganisms
fungi
plant-like organisms present in air, soil, and water
components of the infection cycle
-infectious agent
-reservoir
-portal of exit
- means of transmission
-portal of entry
-susceptible host
common portals of exit and entry
-respiratory
-GI
-genitourinary tracts
-breaks in the skin
-blood and bodily fluids (everything but sweat)
body’s first line of defense
intact skin
factors affecting susceptibility
-intact skin
-WBCs
-splenectomy
-age
-immunization
-fatigue
-nutritional status
-drug therapies
-stress
-use of invasive or indwelling medical devices
stages of infection
incubation
prodromal
full stage of illness
convalescent
local infection
swelling, heat, redness, pain, loss of function, purulent drainage
systemic infection
-elevated temp (not in the elderly, LOC will deteriorate instead)
-increased pulse and RR
-enlarged lymph nodes
-lethargy, anorexia