100 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 ... #Presentation #Pulmonary
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
for enumerating differentials ... strep - Gram-negatives ... smoking. structural lung ... MAC (structural lung ... #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
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 #
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Diseases - Pneumonia ... #Diseases #Radiology ... #Patterns #Lung ... XRay #ChestCT #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
Pneumonia on Chest ... POCUS Extensive pneumonia ... AirBronchogram #POCUS #CXR #Comparison ... #Clinical #Lung ... #Pulmonary #Clinical
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential ... abscess, Necrotizing Pneumonia ... Algorithm #lesion #pulmonary ... #differential
The Many Flavors of EVALI (E-cigarette or Vaping Associated Lung Injury)
 - Hypersensitivity Pneumonitis
 - Organizing
Vaping Associated Lung ... - Organizing Pneumonia ... Acute Eosinophilic Pneumonia ... vaping #lunginjury #pulmonary ... #Differential #
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Non-Infectious Differential ... Dermatomyositis, Lung ... , Pulmonary embolism ... NonInfectious #Differential ... #Diagnosis #pulmonary