9 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... Rash Febrile ... Endocarditis, Henoch-SchönIein ... #Rash #Algorithm ... #Diagnosis #Dermatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
nephropathy, Henoch-SchonIein ... Purpura Anti-GBM ... With associated pulmonary ... differential #diagnosis #algorithm ... #rheumatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Rashes- THE ALGORITHMIC ... RMSF, and Henoch-Schönlein ... rash, the diagnosis ... #Diagnosis #Dermatology ... #Purpuric #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... Maculopapular rash ... • Henoch-Schönlein ... #dermatology #rash ... #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... RMSF - Henoch Schonlein ... Rash: - Purpura ... RA, Sjogren's, GPA ... #Causes #dermatology
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 • GPA ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... commonly renal and pulmonary ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Purpura #Palpable
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
progressing GN • New pulmonary ... , mucositis • Rash ... MPO > PR3 60/ GPA ... present) Henoch Schonlein ... Differential #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present • Henoch Schonlein ... mucositis - Rash ... scleritis • Palpable ... • ANCA (Dx: GPA ... differential #diagnosis #rheumatology