17 results
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Malignancy • Pulmonary ... Gastrointestinal disease ... • Uremia • Meigs
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Methotrexate ILD Secondary ... Churg Strauss syndrome ... ILD #diagnosis #differential ... #pulmonary #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... leakage of RBC's secondary ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... #nonpalpable #dermatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Myelodisplastic syndrome ... Psychiatric Disease ... Pruritus #primary #secondary ... #generalized #dermatology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... • Nephrotic syndrome ... NailDisorders #Systemic #Secondary ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
thought to be secondary ... structural heart disease ... carotid sinus syndrome ... syncope (ruling out differential ... further guide management
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diffuse and Focal) Differential ... • Loose anagen syndrome ... to Skin Disease ... HairLoss #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... Goodpasture's cause ... #differential # ... diagnosis #management
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Polycythemia Vera Secondary ... Polycythemia - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... disease, Smoking
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
infection risk secondary ... DDX - Other causes ... : • Nephrotic syndrome ... (Epstein-Barr syndrome ... #diagnosis #management