173 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Diagnosis #Comparison #Table ... #Presentation #Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... listed in the table ... left in order of relative ... Diagnosis #Radiology #Pulmonary ... ILD #Findings #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... : • Upper lung ... cough, myalgia • Lung ... Microsporidium #Lung ... Infections #HIV #AIDS #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... Bird fanciers' lung ... • Idiopathic pulmonary ... Acute, Chronic • Pulmonary ... #differential #pulmonary
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... consolidation due to a pneumonia ... Sterptococcus pneumoniae ... Radiology #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Pathogens in Pneumonia ... strep - Gram-negatives ... smoking. structural lung ... Burkholderia — structural lung ... MAC (structural lung
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Mycoplasma and Viral Pneumonias ... - Bacterial Pneumonias ... Tuberculosis - Lung ... Cancer of the Lung ... Differential #Causes #Table
Point-of-care lung ultrasound for diagnosis of Pneumocystis jirovecii pneumonia: notes from the field
Table 3: Description of
Point-of-care lung ... Pneumocystis jirovecii pneumonia ... from the field Table ... Description of lung ... Pneumocystis #jirovecii #Pneumonia
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
diagnosis is lobar pneumonia ... The table lists ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant