12 results
An Approach to the Unknown Rash: Petechial-Purpuric Rash 
#Diagnosis #Dermatology #Petechial #Purpura #Purpuric #Rash #Palpable #Algorithm
Rash #Diagnosis ... #Purpuric #Rash ... #Palpable #Algorithm ... #Differential # ... ALiEM
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... lesions (9.4%) • Maculopapular ... reticularis Differential ... pneumonia with glomerulonephritis ... #diagnosis #rheumatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Rashes- THE ALGORITHMIC ... , an algorithmic ... endocarditis, RMSF, and Henoch-Schönlein ... rash, the diagnosis ... #Purpuric #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Diagnosis Algorithm ... infection - RMSF - Henoch ... Rash: - Purpura ... Diagnosis #Algorithm
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Purpura Anti-GBM ... #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
, palpable purpura ... , maculopapular ... rash vesicular rash ... Nephrocalcinosis causes ... #Algorithm #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, mucositis • Rash ... often present) Henoch ... tract, and often causes ... vesicles, pustules, maculopapular ... #Diagnosis #Rheumatology
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 • Henoch ... #skin #rashes #differential ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Granulomatous ... often present • Henoch ... tract, and often causes ... mucositis - Rash ... #diagnosis #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Diagnosis Algorithm ... Purpura • Polymyalgia ... Rheumatica • Granulomatosis ... #Diagnosis #Algorithm ... #Orthopedics #Causes