3531 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
, Cryptococcal pneumonia ... - 20% of pneumonias ... Legionella: • Nausea ... factor • May cause ... reported in 100% of cases
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... most frequently caused ... The other cause ... is interstitial pneumonia ... PCP Mycoplasma pneumonia
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Pathogens in Pneumonia ... pathogens causing pneumonia ... your grand rounds/cases ... FACTOR): - S. pneumoniae ... #Microbiology #Causes
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Characteristics of Selected Pneumonias ... Streptococcus pneumoniae ... Klebsiella pneumoniae ... Mycoplasma pneumoniae ... #Pneumonia #Patterns
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... include the list of causes ... an acute lobar pneumonia ... caused by Streptcoccus ... pneumoniae.
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
respiratory failure, pneumonia ... rhinorrhea, cough; pneumonia ... , pharyngitis; pneumonia ... Streptococcus pneumoniae ... otitis media; pneumonia
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Cryptogenic organizing pneumonia ... Acute interstitial pneumonia ... • Eosinophilic pneumonia ... differential #pulmonary #causes
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
consolidation due to a pneumonia ... caused by Sterptococcus ... pneumoniae. ... Radiology #CXR #Pneumonia
Community Acquired Pneumonia (CAP) - Microbiology
 • Typicals: Strep pneumoniae, H influenzae, Moraxella catarrhalis, Staph aureus,
Community Acquired Pneumonia ... Typicals: Strep pneumoniae ... Legionella, Mycoplasma pneumoniae ... , Chlamydia pneumoniae ... Community #Acquired #Pneumonia
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
common & convincing pneumonia ... Acute eosinophilic pneummia ... Cryptogeric organizing pneumonia ... PIP), Fungal pneumonia ... Pulmonary Emboli #Pneumonia