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assess pt for these risk factors.... (6)
*immunocomprimsed *pt had surgery *indwelling devices *break in skin *poor oxygenation *impaired circulation *chronic or acute disease
formally known as NOSOCOMIAL infection
health-care associated infection (HAI)
most common setting for HAI
intensive care unit
most common site for HAI
urinary tract
most common causative agent of HAI
*E coli *Staph aureus *enterococci
type of HAI, result of diagnostic or therapeutic procedure
iatrogenic infection
best way to prevent HAIs
frequent, effective hand hygiene
signs and symptoms of infection
*fever * ^ pulse and respirs *malaise *anorexia/ nausea/ vomiting *enlarged lymph nodes
inflammatory response has __ stages
3
signs/symptoms of 1st stage of inflammatory response (local infection)
*redness *warmth (on area of palpation) *edema *pain/tenderness *loss of use of affected area
stage of inflammatory response when microorganisms are killed, fluid containing dead tissue cells and WBCs accumulate and exudate appears at site of infection... leaves body by draining into lymph system
second stage
types of exudate... (3)
*serous *sanguineous *purulent
serous exudate is....
clear
sanguineous exudate contains
red blood cells
purulent exudate contains
leukocytes and bacteria
lab results that indicate infection...
* leukcytosis * ^ in the specific types of WBC on differential * ^erythrocyte sedimentation rate (ESR) * presence of microorganisms on culture
components of chain of infection
*infectious agent *reservoir *exit portal *entry portal * means of transmission *susceptible host
examples of infectious agents
bacteria, viruses, fungi, protozoa
where infectious agent grows
reservoir
examples of reservoir
wound drainage, food, oxygen tubing
point of escape for organism from reservoir
exit portal
examples of exit portal
skin, resp or GI tract
point at which an organism enters a new host
portal of entry
assess pt for these risk factors.... (6)
*immunocomprimsed *pt had surgery *indwelling devices *break in skin *poor oxygenation *impaired circulation *chronic or acute disease
formally known as NOSOCOMIAL infection
health-care associated infection (HAI)
most common setting for HAI
intensive care unit
most common site for HAI
urinary tract
most common causative agent of HAI
*E coli *Staph aureus *enterococci
type of HAI, result of diagnostic or therapeutic procedure
iatrogenic infection
best way to prevent HAIs
frequent, effective hand hygiene
signs and symptoms of infection
*fever * ^ pulse and respirs *malaise *anorexia/ nausea/ vomiting *enlarged lymph nodes
inflammatory response has __ stages
3
signs/symptoms of 1st stage of inflammatory response (local infection)
*redness *warmth (on area of palpation) *edema *pain/tenderness *loss of use of affected area
stage of inflammatory response when microorganisms are killed, fluid containing dead tissue cells and WBCs accumulate and exudate appears at site of infection... leaves body by draining into lymph system
second stage
types of exudate... (3)
*serous *sanguineous *purulent
serous exudate is....
clear
sanguineous exudate contains
red blood cells
purulent exudate contains
leukocytes and bacteria
lab results that indicate infection...
* leukcytosis * ^ in the specific types of WBC on differential * ^erythrocyte sedimentation rate (ESR) * presence of microorganisms on culture
components of chain of infection
*infectious agent *reservoir *exit portal *entry portal * means of transmission *susceptible host
examples of infectious agents
bacteria, viruses, fungi, protozoa
where infectious agent grows
reservoir
examples of reservoir
wound drainage, food, oxygen tubing
point of escape for organism from reservoir
exit portal
examples of exit portal
skin, resp or GI tract
point at which an organism enters a new host
portal of entry
assess pt for these risk factors.... (6)
*immunocomprimsed *pt had surgery *indwelling devices *break in skin *poor oxygenation *impaired circulation *chronic or acute disease
formally known as NOSOCOMIAL infection
health-care associated infection (HAI)
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