59 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... ILD caused by inhalation ... disease (RB-ILD ... #Diseases #ILD ... differential #pulmonary #causes
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
disease; Burkholderia ... — structural lung ... MAC (structural lung ... disease, smoking ... #Microbiology #Causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... Legionella: • Nausea ... factor • May cause
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Lung Disease - ... Metastases to lung ... #Diseases #ILD ... #Causes #Differential
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Lung POCUS Young ... POCUS lung exam ... disease, interstitial ... Lung POCUS shows ... Lung POCUS invaluable
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : Aspiration pneumonia ... for Klebsiella pneumonia ... seen • Chest CT ... #differential #causes
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... responses of the lung ... indicates unknown cause ... and interstitial pneumonia ... involvement of the lung
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... Pyogenic bacterial pneumonia ... cancer, Organizing pneumonia ... Pyogenic bacterial pneumonia
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... disease or CHF) ... refer + order CT ... disease #Chronic ... Diagnosis #Algorithm #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Parenchymal Disease ... • Interstitial lung ... Malformation • Severe Pneumonia ... Diagnosis #Algorithm #Causes