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16 Cards in this Set

  • Front
  • Back
Chain of Infection
Infectious Agent
Reservior
Portal of Exit
Mode of Transmission
Portal of Entry
Suseptible Host
Stages of Infection
Incubation
Prodromal
Illness
decline
Convalescence
Inflammation
histamines and other chemicals are released in response to activation of complement

dialation
low blood permeability
high phagocytes
antimicrobial
nutrients
oxygen
Medical Asepsis
state of cleanliness that lowers potential for spread of infection
eg. hand washing, clean environment
Surgical Asepsis
Sterile field, attire and surgical scrub
Protective Isolation
goal is to protect unusaually vulnerable patients
Transmission Based Isolation
CDC Tier 2
contact-standard precautions
droplet-mask/eye protection 3ft
airborne-private room, special mask
Nosocomial Infections
hospital acquired illness
costly
leading cause of death
exogenous-hospital
endogenous-other patients
Primary defenses
intact skin, mucous, normal flora, tears
Secondary defenses
biochemical processes, phagocytes, fever, inflammation
Tertiary defenses
humoral immunity
cell mediated immunity
Higher risk for infections
developmental stage, breaks in skin, illness/injury, smoking, multiple sex partners, meds, medical prcedures
Ways to defend against infections
adequate nutrition, balanced hygiene, rest and exercise, reducing stress, immunizations
MRSA
Methicillin Resistant Staphylococcus Aureus

private rooms
VRE
Vancomycin Resistant Enterococcus

mismanagement of antibiotics
contact isolation
C Diff
Clostridium Difficile

gram + anaerobic bacillius
prolonged antibiotic use