Clin Med: Pneumonia Flashcards
Pathophysiology of Pneumonia
Inflammation of the alveoli and bronchioles due to bacteria, viruses, fungi
1 cause of bacterial Pneumonia
Strep pneumoniae
Most common viral cause of pneumonia
Influenza
What is the meaning of community acquired pneumonia
Not inpatient - just acquired from the community
Community Acquired Pneumonia - Classifications
Typical
Atypical
Typical Community Acquired Pneumonia is caused by
Bacteria leading to alveolar inflammation and exudate (bacteria has entered the body and the immune system is causing the damage)
Atypical Community Acquired Pneumonia is when
Organisms invade and destroy interstitial of the lungs (the bacteria is doing the harm NOT the immune system)
Typical Community Acquired Pneumonia presents with
Productive cough
Lobar consolidations on CXR
High WBC count
Typical Community Acquired Pneumonia is usually caused by
S. Pneumoniae
Atypical Community Acquired Pneumonia is usually caused by
Mycoplasma, viral
Atypical Community Acquired Pneumonia presents with
Dry cough
Lack of alveolar exudate
Normal - Mildly elevated WBC count
Patchy infiltrate on CXR
Where is the antibody created in the body for Strep Pneumoniae
Spleen
Community Acquired Pneumonia - Typical treatment adults
Outpatient = azithromycin or doxycycline or levofloxacin
Inpatient = ceftriaxone plus azithromycin
Community Acquired Pneumonia - Typical treatment pediatrics
Outpatient = amoxicillin
Inpatient = ampicillin (fully immunized), ceftriaxone (if not fully immunized)
What pneumonia is more common in children and college aged pts
Community acquired pneumonia atypical - mycoplasma