11 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... erythematous rash ... #Diagnosis #Dermatology ... #Erythematous #Rash ... #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... • Rheumatic fever ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... instability - New-onset fever ... sulfa-drug - Skin ... #Rash #Maculopapular ... #Differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... Bullae/Blisters • Ulceration ... reticularis Differential ... #rash #diagnosis ... #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... cryoglobulins • Skin ... #Causes #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Burrows between fingers ... Generalized itchy rash ... Pustules + Fever ... #Diagnosis #Dermatology
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Diagnosis Algorithm ... Dysfunction • Aphthous Ulceration ... Infection #Fever ... #Causes #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Coronary arteries - Fever ... mucositis - Rash ... Vasculitis: • Fevers ... #diagnosis #rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
soles, sides of fingers ... pruritus (e.g., fingers ... often showing ulceration ... ; pruritis #dermatology ... #rash #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... Vasculitis: • Fevers ... , mucositis • Rash ... #Diagnosis #Rheumatology