10 results
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Zoster, Coxsackie (hand ... Meningococcal meningitis, Secondary ... syphilis, Disseminated ... Noninfectious: SJS/TEN, Erythema
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Tenosynovitis) • Secondary ... Syphilis (Red/Copper ... Papules & Mucosal Lesions ... ) • Primary HIV ... #Orthopedics #Causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary ... the palms of the hands ... resembling rashes caused ... #Clinical #Photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... on the back of hands ... classic targetoid lesions ... include: infections (HSV ... comparison #table #differential
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Scaly/Erythematous lesions ... Secondary to venous ... Well-demarcated erythema ... #Eczematous #SkinRash
MR SMITH Mnemonic for Causes of Rashes on Palms and Soles

M - Meningococcemia
R - Rickettsia, Rat
SMITH Mnemonic for Causes ... bite fever S - Syphilis ... (Secondary) M ... , HSV #MRSMITH ... #Mnemonic #Rash
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... central clearing • Secondary ... Syphilis - Red ... Papulosquamous #SkinRash ... Diagnosis #Algorithm #causes
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Irregular pustules on hands ... Generalized itchy rash ... Secondary syphilis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpesviruses (MCC: HSV ... 1): • Herpes ... Maculopapular rash ... • In tertiary syphilis ... • Uveitis • Rash
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... muscle weakness • Nerves ... HTN • Check: HBV ... , mucositis • Rash ... tract, and often causes