31 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... • Radiation pneumonitis ... Churg Strauss syndrome ... #differential # ... pulmonary #causes
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Hypersensitivity Pneumonitis ... Neurofibromatosis Type 1, ... Ehlers-danlos Syndrome ... Birt-Hogg-Dubé Syndrome ... #differential #
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Parenchyma: • Infection ... Goodpastures, Lupus Pneumonitis ... , GPA, Behcet syndrome ... • Valvular Disease
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
- Differential ... this should be 1° ... intersitial space Infection ... Chronic Radiation Pneumonitis ... #ILD #Causes #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... nodular pattern. 1. ... Hypersensitivity pneumonitis ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Differential
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... Infectious: ... Miller-Fisher syndrome ... intracranial pressure (CN Ill
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... • Behcet's syndrome ... fever • Hyper-IgD ... syndrome • Tumor ... Fever #Patterns #Differential
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
and less common diseases ... • Lyme disease ... optic atrophy-1 ... consistent with MS ... noninflammatory #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... Effusions #causes #differential ... #diagnosis #msk
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... arthritis - (Reiter’s syndrome ... Aseptic, within 1 ... month of infection ... #Differential #