13 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
/ Purpuric Rash ... - Autoimmune Vasculitis ... #Purpuric #Petechiae ... #Purpura #Rash ... #Dermatology #Skin
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... or purpuric rash ... lesions may have a vasculitis ... as autoimmune vasculitis ... #Purpuric #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Infection - Vasculitis ... Rash: - Purpura ... Vasculitis (lupus ... #Petechiae #Rash
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... trauma, infection, vasculitis ... #Petechiae #Purpura ... #Palpable #Algorithm ... #Differential #
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
- Petechiae < ... cm diameter - Purpura ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #SkinRash #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Pauci-immune vasculitis ... , Palpable purpura ... • Palpable purpura ... Diagnosis: Vasculitis ... Granulomatous vasculitis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Skin Findings: ... Small Vessel: Petechiae ... , Palpable purpura ... #rheumatology #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... scleritis • Palpable ... -> causing palpable ... - (C-ANCA) pattern ... - (P-ANCA) pattern
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Crohn's disease Palpable ... vasculitis • ... Antiphospholipid-antibody syndrome • Vasculitis ... #rashes #differential
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
- Palpable Purpura ... or Vasculitis? ... Palpable purpura ... Thrombocytopenia vs Vasculitis ... Palpable = vasculitis