11 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Tenosynovitis) • Secondary ... Syphilis (Red/Copper ... Fifth Disease (Erythema ... like rash) • Primary ... #Orthopedics #Causes
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Nodosum has occured secondary ... Streptococcal infection ... #Dermatology #SkinRash
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
Secondary Disseminated ... Syphilis Case ... #Secondary #Disseminated ... #Dermatology #Clinical ... #Photo #SkinRash
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Most cases are idiopathic ... associations with infections ... Centrifugum #EAC #clinical ... #photo #dermatology ... #skinrash
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Differential Diagnosis Algorithm ... acuminata) • Secondary ... Syphilis (condyloma ... - Painless • Primary ... #causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... treatment, the infection ... resembling rashes caused ... Rash #Diagnosis #Clinical ... #Photo #Dermatology
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
Syphilis - Clinical ... Treatment 1) Primary ... responsible for most cases ... treatment. 2) Secondary ... , secondary and
Primary Syphilis
Usually, a single ulcer (chancre) appears at the site where the bacteria entered the body.
Primary Syphilis ... administered, the infection ... progresses to the secondary ... #Primary #Syphilis ... #Photo
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Primary (essential ... Malignancy • Infections ... Painful or pruritic erythema ... Diagnosis: • + Clinical ... cryoglobulins • Negative causes
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... 10 weeks after erythema ... • Common clinical ... • In tertiary syphilis ... can present with primarily