45 results
Natural History of Syphilis
Primary - 2-6 weeks after infection
 • Chancre, Regional lymphadenopathy
Early Latent ≤ 1
Natural History of Syphilis ... • Rash, Fever ... lymphadenopathy, Mucosal lesions ... (10%); Ocular syphilis ... #progression #diagnosis
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
/ Ill, Target Lesions ... meningococcaemia - Syphilis ... Maculopapular #Macular ... Macules #Papules #Rash ... #Algorithm #Diagnosis
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential Diagnosis ... Algorithm Reactive ... Multiforme - Target lesions ... #Reactive #SkinRash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... Algorithm Painful ... Painless: • Primary syphilis ... Ulcers #ulcerative #skinrash ... #Algorithm #causes
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Stages of Syphilis ... Fever, malaise • Rash ... • Gummatous • Nodular ... lesions in bone ... symptoms #signs #diagnosis
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential Diagnosis ... Algorithm Polyarticular ... • Secondary Syphilis ... Papules & Mucosal Lesions ... & Symmetrical Rash
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
Maculopapular Rashes - THE ALGORITHMIC ... differential diagnosis ... meningococcemia, RMSF, and syphilis ... #Diagnosis #Dermatology ... #Algorithm #Central
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary ... syphilis is the ... heaped, wart-like lesions—Condyloma ... #Rash #Diagnosis
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential Diagnosis ... silvery scale on elbows ... • Secondary Syphilis ... Papulosquamous #SkinRash
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
- Differential Diagnosis ... Algorithm Physical ... Tabes dorsalis (syphilis ... Ulcers #ulcerative #skinrash ... #Algorithm #causes