29 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... Bird fanciers' lung ... (coal workers' lung ... Churg Strauss syndrome ... #diagnosis #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... macrophages in HIV • Lung ... : • Upper lung ... cough, myalgia • Lung ... Microsporidium #Lung
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... disease or CHF) ... ) • Abnormal CXR ... History of cancer, lung ... #Algorithm #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Lung Abscess - Clinical ... Blood cultures • CXR ... ) • CXR upright
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
– ARDS: Clinical ... , inflammatory lung ... permeability, lung ... with decreased lung ... detected on CT or CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... - Imaging: • CXR ... peripheries and lower lung ... • Lung biopsy: TBNA ... or Surgical lung
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
• Diffuse Lung ... Acute Respiratory ... Distress Syndrome ... • Chronic Lung ... #RHF #RightSided
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... DiseasesAcute ... Hypereosinophilic Syndrome ... #Eosinophilic #Lung ... #differential #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... nodular interstitial lung ... disease, that is ... #Clinical #Diagnosis ... #Radiology #CXR
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... • Acute bacterial ... Non-Infectious Causes ... Brucellosis • Liver or lung ... #Differential #Diagnosis