108 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Campylobacter, Rickettsiae ... Giardiasis #Erythema
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythemas Summarized ... Erythema ab igne ... centrifugum • A chronic skin ... gyratum repens • A skin ... • A chronic skin
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Dermatomyositis Erythema ... Lyme disease Erythema ... Eosinophilic fasciitis Erythema ... #joint #pain #skin
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Disseminated gonorrhea, Rickettsial ... Noninfectious: SJS/TEN, Erythema
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... : skin eruption ... Dermatology #SkinRash #Erythema
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Campylobacter spp., rickettsiae ... malignancies #Erythema
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Lyme Disease (erythema ... Syndrome - Erythema ... Lyme Disease (erythema ... #Dermatology #Skin
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... lasts <24hrs • Erythema ... nodules on shins • Erythema
Pressure Ulcer Staging
Stage 1 - Skin intact. Non-blanchable erythema
Stage 2 - Partial loss of dermis. Shallow
Staging Stage 1 - Skin ... Non-blanchable erythema ... Full thickness skin ... Full thickness skin ... injury - Purplish skin
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Combination of Skin ... Suggestive of: Lupus Erythema ... on texture of skin ... of: Rheum Fever Erythema ... dermatology #arthritis #skin