8 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
challenging and are associated ... thrombocytopenic conditions (flat ... rash, the diagnosis ... #Diagnosis #Dermatology ... #Purpuric #Rash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
/Quantity: • Primary ... - Hemolytic anemia ... MIXED) • ANCA associated ... - MPA • CTD Associated ... Differential #Diagnosis #hematology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... or disorders of primary ... #Rash #Petechiae ... #Ddxof
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Abnormalities in primary ... : - Purpura fulminans ... #Causes #dermatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
RPGN has three primary ... pathophysiologic causes ... Henoch-SchonIein Purpura ... Glomerulonephritis • With associated ... differential #diagnosis #algorithm
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... umbilicated) and may be associated ... PETECHIAE and PURPURA ... Purpura are larger ... #Diagnosis #Dermatology
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
o Purple or purpuric ... suggest vascular or hematologic ... 2 Texture: o Flat ... appears as flat ... infections. 5 Associated
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
with GCA or as primary ... , mucositis • Rash ... , arthritis Primary ... VASCULITIS: ANCA Associated ... tract, and often causes