14 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

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

These rashes can be especially challenging and are
associated with devastating differential
in vasculitic diseases ... endocarditis, RMSF, and Henoch-Schönlein ... lesions may have a vasculitis ... as autoimmune vasculitis ... #Diagnosis #Dermatology
Henoch Schonlein Purpura 
Typically a young boy. Often occurs following upper respiratory tract infection. A systemic
Henoch Schonlein ... A systemic vasculitis ... #Purpura #Diagnosis ... Peds #Pediatrics #Signs ... #Symptoms
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... • Petechiae • Palpable ... Differential Diagnosis ... polyangiitis • EGPA • Henoch-Schönlein ... #rash #diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Crohn's disease Palpable ... vasculitis • ... Henoch Schönlein ... Sarcoidosis #dermatology ... #differential #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... infection - RMSF - Henoch ... Schonlein Purpura ... Rash: - Purpura ... Algorithm #Causes #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Presentation - Systemic Symptoms ... scleritis • Palpable ... sign of cutaneous ... #rheumatology #classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... sign of cutaneous ... • Progressive symptoms ... often present) Henoch ... ) • Palpable purpura
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Clinical triad of Palpable ... Labs/Diagnosis: ... (Henoch-Schönlein ... Cryoglobulins #diagnosis ... #types #classification
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
endothelial cells - Palpable ... or necrotic purpura ... Pathophysiology #Diagnosis ... #Signs #Symptoms ... #Vasculitis