96 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
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
nodular pattern. 1. ... Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... bronchiolitis: ill ... NodularPattern #Differential
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Hypersensitivity Pneumonitis ... Neurofibromatosis Type 1, ... Lymphocytic Interstitial Pneumonitis ... Desquamative Interstitial Pneumonitis ... Lung #Disease #differential
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern 1. ... Hypersensitivity pneumonitis ... : ill defined centrilobular ... Hypersensitivity pneumonitis
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
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... requirements 1. ... Shock #Shock #Pathophysiology ... #differential #
Heme Synthesis Pathway
Enzymes
1. ALA Synthase
2. ALA Dehydratase
3. Porphobilinogen deaminase
4. UP Ill Synthase
5. UP Ill Decarboxylase
6. Coproporphyrinogen
Pathway Enzymes 1. ... UP Ill Synthase ... UP Ill Decarboxylase ... Synthesis #Pathway #pathophysiology