132 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... pneumonia (DIP), Acute ... Eosinophilic pneumonia: Acute ... , Chronic • Pulmonary ... #diagnosis #differential
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Allergic, Post-infectious ... , Pneumonitis, ACEi ... Autoimmune Vasculitis, ILD ... Diagnosis #Schema #Acute ... #Chronic #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
and Hemoptysis Acute ... Mycoplasma and Viral Pneumonias ... - Bacterial Pneumonias ... Cough #Hemoptysis #Differential ... #Causes #Table
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Lung Disease - Differential ... Workup Algorithm Acute ... Subacute: • Acute ... , Nocardia Chronic ... 12 weeks): • Chronic
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... : ill defined centrilobular ... Hypersensitivity pneumonitis ... Pattern #Comparison #Table ... #RadiologyAssistant
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Hypersensitivity Pneumonitis ... , RB-ILD, Pneumoconiosis ... , Infectious Bronchiolitis ... Lung #Nodules #Differential
Cellulitis Mimics Schema
Chronic
 - Unilateral
 - Bilateral
Acute
- Infectous
- Non-infectious

Dr. Lizzy Hastie @LizzyHastie

#Cellulitis #Mimickers #Schema #Mimics #Diagnosis
Mimics Schema Chronic ... - Bilateral Acute ... - Infectous - ... Non-infectious ... Mimics #Diagnosis #Differential
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... Asthma attack, ILD ... , COPD, CTEPH, ILD ... , Anaphylaxis, Infection ... #Differential #
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... Etiologies Unusual Infections ... Eosinophilic PNA (acute ... or chronic) ... diagnosis #pulmonary #differential