12 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
/ Purpuric Rash ... Endocarditis, Henoch-SchönIein ... #Purpuric #Petechiae ... #Purpura #Rash ... #Dermatology #Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... - RMSF - Henoch ... Schonlein Purpura ... RA, Sjogren's, GPA ... #Petechiae #Rash
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
ANCA: • C-ANCA: GPA ... , Eosinophilic GPA ... Mediated: • ↓C3: Infection-Related ... , Henoch Schonlein ... Purpura SCVMC
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... inflammation or infection ... endocarditis, RMSF, and Henoch-Schönlein ... or purpuric rash ... #Purpuric #Rash
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Henoch Schonlein ... Tip: To differentiate ... suggestive of Henoch-Schonlein ... purpura (IgA), ... #Schonlein #Purpura
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
seen in Henoch ... Schonlein Purpura ... #Henoch #Schonlein ... #clinical #photo ... #dermatology #skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Findings: • Petechiae ... Maculopapular rash ... reticularis Differential ... • Henoch-Schönlein ... #dermatology #rash
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... vasculitis • Henoch ... Schönlein purpura ... Sarcoidosis • GPA ... #rashes #differential
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... related vasculitis, infections ... Small Vessel: Petechiae ... , Palpable purpura ... - GPA Cutaneous
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... - Skin ulcers ... reticularis & skin ... associated vasculitis - GPA ... (Henoch-Schönlein