104 results
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
obstruction) - Grp ... disease; Burkholderia ... dsease) - Anaerobes ... disease, smoking ... #Differential #
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... Connective Tissue Disease ... connective tissue disease ... disease (RB-ILD ... #Diseases #ILD
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... abscess, Necrotizing Pneumonia ... disease • Autoimmunity ... : RA, GPA #Cavitary ... #Lung #Disease
Granulomatous Lung Disease - Differential Diagnosis Algorithm
OP: organising pneumonia; EGPA: eosinophilic granulomatosis with polyangiitis; NSG: necrotising
Disease - Differential ... OP: organising pneumonia ... granulomatosis; GPA ... disease; HP: hypersensitivity ... #Disease #pulmonary
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Anion gap? ... Differentials? ... : Anion Gap (AG ... or restrictive lung ... disease (COPD,
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
Connective tissue disease-associated ... interstitial lung ... diseases LIP ... connective tissue disease ... CTILD #Diagnosis #Differential
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Start with the Anion ... : • Anion Gap ... depression, Obstructive Lung ... Disease, Neuromuscular ... Disease, PE, Decreased
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... AIDS #pulmonary #differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Disease - Differential ... Connective Tissue Disease ... disease (nonneoplastic ... #Diseases #ILD ... #Causes #Differential
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary diseases ... ARDS, Metastatic disease ... • Cavitary disease ... Infectious Diseases ... #differential #