17 results
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Differential Diagnosis ... Zoster, Coxsackie (hand ... , Disseminated HSV ... Meningococcal meningitis, Secondary ... Noninfectious: SJS/TEN, Erythema
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... Multiforme - Target lesions ... #Reactive #SkinRash ... #causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Diagnosis Algorithm ... Tenosynovitis) • Secondary ... Papules & Mucosal Lesions ... ) • Primary HIV ... #Orthopedics #Causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
on the back of hands ... classic targetoid lesions ... include: infections (HSV ... comparison #table #differential ... #diagnosis #dermatology
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 ... #causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... the palms of the hands ... resembling rashes caused ... #Rash #Diagnosis ... #Clinical #Photo
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... hemorrhagic skin lesions ... leakage of RBC's secondary ... reactions • Erythema
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential ... central clearing • Secondary ... Papulosquamous #SkinRash ... #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 ... 10 weeks after erythema ... • Uveitis • Rash