11 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

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

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Diagnosis Algorithm ... Schonlein Purpura ... Diagnosis #Algorithm ... #Causes #dermatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Diagnosis Algorithm ... Scleroderma • Henoch-Schonlein ... #Diagnosis #Algorithm ... #Orthopedics #Causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... surfaces of the joints ... polyangiitis • EGPA • Henoch-Schönlein ... #rash #diagnosis ... #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... IgA nephropathy, Henoch-SchonIein ... Purpura Anti-GBM ... #diagnosis #algorithm ... #rheumatology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
content [85].2>5 red blood ... pancreatitis), joints ... , palpable purpura ... , maculopapular ... #Algorithm #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... , mucositis • Rash ... Schonlein Purpura ... purpura, joint ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Schonlein Purpura ... tract, and often causes ... mucositis - Rash ... #diagnosis #rheumatology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... rash, pruritis, ... Causes purpura & ... Blood products contain ... #hematology #reactions