6 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... integrity: - Trauma ... Red Flags: • Fever ... RA, Sjogren's, GPA ... #Petechiae #Rash
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Diagnostic Algorithm ... erythroderma, petechiae ... instability - New-onset fever ... sulfa-drug - Skin ... #Dermatology #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Findings: • Petechiae ... lesions (9.4%) • Maculopapular ... rash (6.7%) • ... Differential Diagnosis ... #dermatology #rash
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... usually to TEN in adults ... erythematous rash ... #Diagnosis #Dermatology ... #Erythematous #Rash
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Adult Onset Still's ... nonpruritic macular or maculopapular ... skin rash that ... mL Gf consider MAS ... anti-lL6R, anti-ILI #Adult
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
arthritis (sJIA) • Adult-onset ... mucosal bleeding (Petechial ... or purpuric rash ... Activation #Syndrome #Diagnosis ... #Management #Hematology