Lecture 7 Pneumonia (missed lecture) Flashcards
gold standard for diagnosis of pneumonia?
Chest X ray (although may be normal in up to 7% of patients)
3 classes of initial clinical classification of pneumonia
major immunodefeciency, Tb, normal hosts
4 classes of aquired pneumonia in normal hosts
Community, hospital acquired;
ventilator, health-care associated
suspect Tb in patients with 2 of more of the classic symptoms:
hemoptysis, cough more than 2 weeks, night sweats, weight loss.
order airbone isolation and CXR
CXR characteristics in patients with Tb:
____ lobe infilitrates, ____ pattern, ____ lesions , ____ infiltrate
upper, milliary, cavitary, nodular
the _____ and the pneumonia severity index are used to determine weather treatment should be ____ or ____
CURB-65, in vs outpatient
CURB65 is what?
scores above ____ should be considered for hospital stay
Confusion, urea ( greater than 7 mmol/L), respiratory rate greater than 30, BP less than 90 systolic or 60 diastolic; greater than 65 years of age;
scores above 1 (2 = short hospital stay, 3 = hospital)
major criteria (2) designating need for ICU admission:
invasive mechanical ventilation or septic shock (need just one)
minor criteria (need 3, see notes)
what somewhat new test helps indicate presence of bacterial infection?
PCT (pro-calcitonin) - indicates severe infection
increased risk of pseudomonas is seen in patients with structural lung disease such as ______; extended _____ therapy, broad-spectrum Ab use, or malnutrition
bronchiectasis;
corticosteroid
is it better to wait for results of culture/sputum sample before treating or to treat right away?
treat ASAP as possible,
2 vaccines patients should get to prevent pneumonia
influenza, pneumococcus
Lobar pneumonia is characterized by a ____ exudate which causes ____ of a lobar or the entire lung
intra-alveolar; consolidation
according to FA, what 3 bacteria cause lobar pneumonia?
S. pneumo by far, legionalla, klebsiella
bronchopneumonia is characterized by acute inflammatory infiltrates from the ____ into adjacent ____; distribution is characteriszed as ____
bronchioles, alveoli;
patchy (or multifocal)
4 organisms listed in FA that cause bronchopneumonia
S. pneumo, S. aureus, H influenza, klebsiella;
also pseuodomonas
interstitial/atypical pneumonia is characterized by ____ ____ inflammation localized to interstitial areas at alveolar walls. there is an increase in “lung ____”
diffuse patchy;
marking
in addition to viruses, what bacteria can cause atypical pneumonia, according to FA
mycoplasma, legionella, chlamydia, coxiella
what is empyema? What bacteria usually causes it?
pus in the alveolar space, s aureus
do breath sounds increase or decrease with pneumonia? there is ____ to percussion
decrease; dullness