12 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Psittacosis, Bartonella, Syphilis ... Giardiasis #Erythema ... #Differential # ... Diagnosis #Dermatology
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... #Differential Diagnosis ... #Dermatology #SkinRash ... #Clinical
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... #comparison #table ... #differential # ... diagnosis #dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
palms/soles - Differential ... diagnosis: secondary ... syphilis (involve ... Pityriasis #rosea #clinical ... #dermatology #photo
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Bartonella spp., syphilis ... #Nodosum #Causes ... #Differential # ... Diagnosis #Clinical
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... resembling rashes caused ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Diagnosis Portal ... >10 mmHg - clinically ... gynecomastia, and palmar erythema ... #Diagnosis #causes ... #hepatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Diagnosis Framework ... warmth, effusion, erythema ... weeks) Can Be Caused ... #Diagnosis #MSK
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... dermatophytes cause ... hyperkeratotic w/ erythema ... Variety #type #clinical ... #photo #foot #dermatology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... 10 weeks after erythema ... • Common clinical ... - History of erythema ... • In tertiary syphilis