28 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Sarcoidosis or Lofgren's syndrome ... , EBV, HIV, HepB ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - Differential ... Diagnosis Framework ... , DRESS, Sweet syndrome ... , Vasculitis SCVMC ... #Diagnosis #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... Kasabach-Merritt syndrome ... • HCV, HBV Not ... #Diagnosis #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... arteritis, Cogan's Syndrome ... ANCA associated vasculitis ... #Diagnosis #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... Diagnosis Algorithm ... Rheumatologic, Vasculitides ... Kawasaki, Nephrotic syndrome ... • Reaction to Medications
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Diagnosis Framework ... • HBV HCV • ... differential #diagnosis ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
: • Clinical triad ... infection, HBV ... Labs/Diagnosis: ... Cryoglobulins #diagnosis ... classification #rheumatology
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Hypothyroidism • Medication-induced ... Guillain-Barre, Vasculitis ... Paraprotein-associated (POEMS syndrome ... Peripheral #Neuropathy #differential ... #diagnosis #causes
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
Autoimmune:
 • Isolated
 • Polyglandular autoimmune syndrome 1
 •
Insufficiency - Differential ... Diagnosis Algorithm ... • Fungal • HIV ... Thrombophilia • Critical ... Radiation • Medication
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Diagnosis Algorithm ... Cytomegalovirus • HIV ... spondyloarthropathies • Vasculitis ... Post-cardiac injury syndrome ... Myxedema Other: • Medication