13 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Rash: - Meningococcemia ... Rash: - Purpura ... Rash: - Autoimmune ... Rash: - ITP
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Petechial / Purpuric Rash ... Endocarditis, Henoch-SchönIein ... - Autoimmune Vasculitis ... Petechiae #Purpura #Rash ... #Dermatology #Skin
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Malar rash ... Crohn's disease Palpable ... • Henoch Schönlein ... Sarcoidosis • GPA
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... • Petechiae, Palpable ... Maculopapular rash ... • Henoch-Schönlein ... #dermatology #rash
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
seen in Henoch Schonlein ... rash. ... #clinical #photo ... #dermatology #skin ... #rash #physicalexam
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... Palpable = vasculitis ... later confirmed by skin ... Purpura #Legs #Rash ... #clinical #photo
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
- THE ALGORITHMIC ... inflammation or infection ... RMSF, and Henoch-Schönlein ... petechial or purpuric rash ... Purpural #Purpuric #Rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present • Henoch Schonlein ... tract, and often causes ... mucositis - Rash ... to exclude are infections ... -> causing palpable
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... , mucositis • Rash ... present) Henoch Schonlein ... tract, and often causes ... , recent viral infection
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Clinical triad of Palpable ... - GPA, EGPA, microscopic ... (Henoch-Schönlein