1.12 Community and Hospital Acquired Pneumonias Flashcards
Define: Aspiration
small amounts of oropharyngeal secretions that drop into the trachea frequently at night
Evaluation of sputum of a pt with pneumonia will reveal lab values of squamous epithelial cells and PMNs of..?
Squamous epithelial cells- fewer than 10; PMN lower than 25
What is the gold standard in diagnosis of pneumonia?
presence of an infiltrate on plain CXR
What does CURB-65 stand for?
Confusion (disorientation-person,place,time)
Urea (BUN > 20mg/dl)
Resp rate >30br/min
Blood pressure (65
What blood oxygen level is a good indication of hospital admission?
if blood oxygen is less than 92 %
What’s the significance of CURB-65?
It is a pneumonia risk stratification that aids in the decision to admit pt and to which unit
What is a Class 1 severity index category indicative of?
Minimal risk factors for pneumonia, therefore fatality/mortality is not high
What is the exception to antibiotic therapy?
Antibiotic should be given within 4-6hours however, when in shock, should be given in = 1 hour for 5-7days
What is standard tx or an inpatient in an ICU?
Antipneumococcal beta-lactam and azithromycin OR moxifloxacin
What creates risk for MDR bacteria?
recent hospitalization of atleast 48 hrs
residence in long term care facility
chronic hemodialysis
critical illness
What is an increased neutrophil count indicative of?
A bacterial infection
An SaO2 of 90 equates to a PaO2 of ____, while an SaO2 of 75 equates to a PaO2 of _____.
60
40
At what SaO2 level is a pt considered to be in life threatening shock? acute resp failure?
Sat 80-95
Sat 75
What will the sputum of pneumococcal appear as?
“rust-colored”
