566 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Streptococcus pneumoniae ... Klebsiella pneumoniae ... PMNs and monocytes ... #Diagnosis #Comparison ... #Presentation #Pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... : • Upper lung ... Infections #HIV #AIDS #pulmonary ... #differential #
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... • Idiopathic pulmonary ... Acute, Chronic • Pulmonary ... ILD #diagnosis #differential ... #pulmonary #causes
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
common & convincing pneumonia ... pneumonitis, Pulmonary ... Acute eosinophilic pneummia ... Emboli #Pneumonia ... #Mimics #Differential
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... OP: organizing pneumonia ... CTILD #Diagnosis #Differential ... #Comparison #Table ... #Pulmonary #Rheumatology
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Xray and POCUS ... (green arrows) and ... AirBronchogram #POCUS #CXR #Comparison ... #Clinical #Lung ... #Pulmonary #Clinical
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
for enumerating differentials ... smoking. structural lung ... Burkholderia — structural lung ... MAC (structural lung ... #Differential #
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Diagnosis and Workup ... abscess, Necrotizing Pneumonia ... Algorithm #lesion #pulmonary ... #differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
of Interstitial Lung ... Disease - Differential ... Lymphangioleiomyomatosis (LAM), • Pulmonary ... leaking out of pulmonary ... #ILD #Causes #Differential
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Viral Pneumonias ... - Bacterial Pneumonias ... Tuberculosis - Lung ... Cancer of the Lung ... Cough #Hemoptysis #Differential