7 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... cases Drugs (antibiotics ... HepB, HepC Bacterial ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Diagnosis Algorithm ... Anticonvulsants • Antibiotics ... • Epstein-Barr Virus ... #Causes #Hematology
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... to 10 percent): antibiotics ... - Bacterial ... malignancies #Erythema ... Nodosum #Causes #Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Meningitis - Differential ... 10 weeks after erythema ... - History of erythema ... stain: Previous antibiotics ... CNS #Infections #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... warmth, effusion, erythema ... : • Pain • Erythema ... endocarditis ... #Joint #pain #Differential
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
usually painful • Bacterial ... endocarditis ... Systemic #Secondary #dermatology ... #Differential # ... Diagnosis #Algorithm
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... reactions • Erythema ... gangrenosum • Bacterial ... endocarditis ... #nonpalpable #dermatology