9 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... Endocarditis, Henoch-SchönIein ... #Purpuric #Petechiae ... #Algorithm #Diagnosis ... #Dermatology #Skin
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... endocarditis, RMSF, and Henoch-Schönlein ... Those with petechiae ... #Diagnosis #Dermatology ... #Petechial #Petechiae
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... lesions called petechiae ... Petechiae Etiology ... Schonlein Purpura ... Non-Palpable Rash: - Purpura
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Findings: • Petechiae ... , Palpable purpura ... sensation or pain: • Petechiae ... polyangiitis • EGPA • Henoch-Schönlein ... purpura • Mixed
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Small Vessel: Petechiae ... , Palpable purpura ... Urticarial/LCV) - Cryoglobulinemic ... #dermatology #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... triad of Palpable purpura ... IgA vasculitis (Henoch-Schönlein ... purpura) • Cutaneous ... classification #rheumatology
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
: • Petechia • ... Purpura • Perifollicular ... • Petechiae, purpura ... periodontitis • ITP • Henoch-Schonlein ... purpura • DIC
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis: • Purpura ... Schonlein Purpura ... erythematous nodules, purpura ... scleritis • Palpable purpura ... causing palpable purpura
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Purpura ... scleritis • Palpable purpura ... Schonlein Purpura ... ) • Palpable purpura ... macules, palpable purpura