211 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Definition: A ... focal rounded area ... surrounded by a ... Dermatomyositis, Lung ... #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Diseases #ILD #diagnosis ... #differential #pulmonary ... #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Rapid onset of a ... : • Focal pneumonia ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis ... Algorithm Idiopathic ... leaking out of pulmonary ... #Algorithm
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
PA-film shows a ... anteriorly in the left lung ... due to a pneumonia ... caused by Sterptococcus ... #Clinical #Radiology
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Here is a quick ... obstruction) - Grp A ... MAC (structural lung ... #Microbiology #Causes ... #Agents #Diagnosis
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... Malformation • Severe Pneumonia ... #Algorithm #Causes
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
right hilus is in a ... is most likely a ... weight loss or long ... caused by Streptcoccus ... #Clinical #Radiology
Causes of Hemoptysis - BATTLE CAMP Mnemonic:

Bronchitis 
Bronchiectasis 
Aspergilloma 
Tumor 
Tuberculosis 
Lung abscess 
Emboli (pulmonary) 
Coagulopathy
Causes of Hemoptysis ... Tuberculosis Lung ... abscess Emboli (pulmonary ... Mitral stenosis Pneumonia ... #Differential #Diagnosis
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential Diagnosis ... and Workup Algorithm ... abscess, Necrotizing Pneumonia ... #Algorithm #lesion ... #pulmonary #differential