Week 4 Flashcards
acute inflammation of the lung parenchyma caused by a microbial agent
pneumonia
3 methods of contracting pneumonia?
- Aspiration
- inhalation of microbes from the air
- Hematogones spread from a primary infection elswhere in the body
Lower respiratory tract infection of the lung parenchyma with onset in the community
Community acquired pneumonia
Hospital acquired pneumonia occurs?
48 hours or longer after the admission
Predisposing factors to hospital acquired pneumonia?
immunosuppressive therapy, general debility (elderly or malnourished) and endotracheal intubation
Usual clinical manifestations of pneumonia?
sudden onset of fever, chills, productive cough with purulent sputum and pleuritic chest pain
Atypical presentation of pneumonia?
headache, myalgias, fatigue, sore throat and nausea
Manifestations of viral pneumonia?
Highly variable but may be characterized by chills, fever and dry, non productive cough.
Complications of pneumonia?
pleurisy, pleural effusion, atelectasis, emphyema, pericarditis and bacteremia.
Pluerisy
inflammation of the plurae
plueral effusion
abnormal collection of pleural fluid that usually absorbs within 1-2 weeks. Can occur from not doing deep breathing exercises
atelectasis
collapse of the alveoli. Usually clears with effective coughing and deep breathing.
Emphyma
pus that needs to be drained
pericarditis
the spread of the infecting organism from the pleura to the pericardium
bacteremia
sepsis, can occur with pneumococcal pneumonia and more so with elderly patients
Pneumonia physical exam
signs of pulmonary consolidation, such as dullness to percussion, increased fremitus, bronchial breath sounds and crackles may be heard
What is the number one tool to diagnose pneumonia?
chest X-ray
When should cultures be collected?
before initiating antibiotic therapy because the antibiotics could alter the results
what does an ABG test for pneumonia?
if there is hypoxia
Why would a CBC be performed in a patient with pneumonia?
because leukocytosis is often found in patients with pneumonia
treatment of choice for otherwise healthy adults with CAP?
a macrolide (erythromicin, clarithromycin or azithromycin) PO for
patients with COPD who have had oral steroids or antibiotics in the last 3 months have an increased risk for gram negative infection requiring?
FQs (levofloxacin or moxifloxacin) 750mg IV
Fluid intake of at least ______ is important in the treatment of pneumonia
3L/day
intake of at least ______ calories per day should be maintained to provide energy for a pneumonia patient
1500