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NRS110Lecture3InfectionControl.ppt
1.
2. SCIENTIFIC KNOWLEDGE
BASE
ENTRY AND MULTIPLICATION OF
ORGANISM RESULTS IN DISEASE
COLONIZATION OCCURS WHEN A
MICROORGANISM INVADES THE
HOST BUT DOES NOT CAUSE
INFECTION (INJURY TO CELLS)
PATIENT SAFETY ISSUE
3. CHAIN OF INFECTION
Infectious agent or pathogen
Reservoir
Portal of exit
Mode of transmission
Portal of entry
Susceptible host
4. Infectious Agent/Pathogen
Microorganisms (bacteria, viruses,
fungi, protozoa
Normal flora
Colonization
Virulence
Susceptibility
Review Potter & Perry Table 34-1 (pg.
643) Common Pathogens
5. Reservior
Animate sources (humans, animals,
insects)
Inanimate sources (soil, water, food,
medical equipment)
Pathogens need a proper environment
to survive (food, oxygen, water,
temperature, pH, light)
Carriers
Toxins: (Exotoxins, endotoxins)
12. HEALTH CARE ASSOCIATED
INFECTION (NOSOCOMIAL)
Infections that are a result of health care
delivery, not present at admission
EXOGENOUS
ENDOGENOUS
IATROGENIC
Refer to Potter & Perry Table 34-2 Pg. 648
(Sites for Causes of HAI’s)
14. The Nursing Process &
Infection Control
(Assessment)
Status of defense mechanisms
Client Susceptibility
Nutritional Status
Stress
Disease Process
Medical Therapy
Clinical Appearance
Lab Data
15. Lab Data
WBC Count
Sedimentation Rate
Cultures of sputum, urine, blood
Differential Count
16. Assessing Risk for Infection
Age
Disease Processes
Lifestyle
Occupation
Diagnostic Procedures
Medications
Travel History
Nutritional Status
18. Acute Care Interventions
MEDICAL AND SURGICAL ASEPSIS
CONTROL/ELIMINATION OF
INFECTIOUS AGENTS
CONTROL/ELIMINATION OF:
MODES OF TRANSMISSION
PORTALS OF ENTRY
RESERVOIRS
HAND HYGIENE (HCP, PATIENT,
FAMILY)
19. INTERVENTIONS
ISOLATION PRECAUTIONS
HYPERTHERMIA INTERVENTION
ELIMINATE UNDERLYING CAUSE
FEVER MANAGEMENT
HEALTH TEACHING
ANTIBIOTIC THERAPY
PSYCHOSOCIAL SUPPORT
HEALTH CARE RESOURCES
23. EVALUATION
MEASURE SUCCESS OF INFECTION
CONTROL TECHNIQUES
COMPARE PATIENT’S RESPONSE TO
ACTUAL OUTCOME
WHAT WILL YOU DO IF
GOAL/OUTCOMES NOT ACHIEVED?