78 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Lung Diseases (ILD ... Hypersensitivity pneumonitis ... • Radiation pneumonitis ... Idiopathic Interstitial Pneumonias ... #diagnosis #differential
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... - Differential ... Hypersensitivity, Pneumonitis ... BrighamChiefs #ILD ... #Causes #Differential
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Hypersensitivity Pneumonitis ... , RB-ILD, Pneumoconiosis ... Lung #Nodules #Differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Inflammatory: • IBD ... Non malignant hematologic ... states • Non-hematologic ... Thrombocytosis #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
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Post-infectious, Pneumonitis ... Autoimmune Vasculitis, ILD ... Acute #Chronic #Differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... • Nonmalignant hematologic ... Vasculitides, IBD ... Thrombocytosis #Platelets #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... : ill defined centrilobular ... Hypersensitivity pneumonitis ... bronchiolitis: ill ... NodularPattern #Differential
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Venous Thrombosis - Differential ... Lipoprotein a ↑ - IBD ... APLS:PLT ↓ HEMATOLOGIC ... Venous #Thrombosis #Differential ... Diagnosis #clots #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
diagnosis: 70 years old ... diagnosis and risk-stratification ... • Risks: infection ... Management #treatment #hematology