55 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 ... #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
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... Diagnosis Algorithm ... Painless: • Primary syphilis ... ulcerative #skinrash #dermatology ... #causes
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... meningitis, Secondary syphilis ... #Differential # ... Diagnosis #dermatology
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
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... Diagnosis Algorithm ... Tabes dorsalis (syphilis ... ulcerative #skinrash #dermatology ... #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Diagnosis Algorithm ... ulcerative #skinrash #dermatology ... #Differential # ... #causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Genital Lesions - Differential ... Diagnosis Algorithm ... #skinlesions #dermatology ... #Differential # ... #causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint Pain - Differential ... Diagnosis Algorithm ... • Secondary Syphilis ... #Diagnosis #Algorithm ... #Orthopedics #Causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... Diagnosis Algorithm ... Reactive #SkinRash #dermatology ... #causes