21 results
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Zoster, Coxsackie (hand ... meningitis, Secondary syphilis ... , Vasculitis SCVMC
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... the palms of the hands ... are so faint that ... #Rash #Diagnosis ... #Clinical #Photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... mucositis - Rash ... • Cogan Syndrome ... Cryoglobulins • HIV ... • HBV HCV
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
Rash - Diagnostic ... 819 / EBV, Acute HIV ... PPGSS), Secondary syphilis ... Parvovirus B19 (PPGSS), Vasculitis ... angiomatosis, Sweet syndrome
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... infection, HIV infection ... reticularis & skin ... Labs/Diagnosis: ... Cryoglobulins #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... loss, arthralgia, arm ... bruits, asymmetric arm ... , mucositis • Rash
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Occurs on the arms ... papules) on the arms ... Leukocytoclastic vasculitis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... hemorrhage, which are ... ITP - APLS - HIT ... for hepatitis B and ... cryoglobulins • Skin
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... of arm present ... wane; diagnosis ... trauma leads to skin ... #hand
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... sterile and are ... Irregular pustules on hands ... Generalized itchy rash ... Secondary syphilis