6890 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Psittacosis, Bartonella, Syphilis ... Nodosum #Mnemonic #Causes ... #Differential #Diagnosis
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... inhabitants 3rd leading cause ... retinal ischemia Causes ... tuberculosis, syphilis ... #Differential #Diagnosis
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... Painless: • Primary syphilis ... #Differential #Diagnosis ... #Algorithm #causes
Aortitis - Diagnosis and Workup
Clinical History:
 - Fever, weight loss, deterioration of general health
 - Aortic
Aortitis - Diagnosis ... depending on the cause ... Infections: Syphilis ... #Aortitis #Diagnosis ... #Differential #Causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
- Differential Diagnosis ... Tabes dorsalis (syphilis ... Tuberculosis • Syphilis ... #Differential #Diagnosis ... #Algorithm #causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
- Differential Diagnosis ... • Secondary Syphilis ... Painless • Primary syphilis ... #Differential #Diagnosis ... #Algorithm #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
- Differential Diagnosis ... Tabes dorsalis (syphilis ... #Differential #Diagnosis ... #Algorithm #causes
Differential Diagnosis for Generalized Lymphadenopathy

Viral
• HIV 
• EBV 
• CMV 
• HBV 
• Dengue 
• Rubella
Differential Diagnosis ... Bartonella • Syphilis ... #Differential #Diagnosis ... #Causes #Algorithm
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
False Positives Causes ... RPR that are not syphilis ... tests are rare; case ... #differential #diagnosis ... #syphilis #laboratory
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary syphilis ... resembling rashes caused ... #Secondary #Syphilis ... #Rash #Diagnosis