8 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... or disorders of primary ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Differential #Ddxof
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
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Abnormalities in primary ... Infection - Vasculitis ... #Causes #dermatology
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 ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
RPGN has three primary ... pathophysiologic causes ... Glomerulonephritis • With associated ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Diagnosis: • ANCA-associated ... the context of primary ... vein thrombosis Hematologic ... lymphopenia, low PLT • Anemia ... Malignancy 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 ... : ANCA Associated ... tract, and often causes
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
suggest vascular or hematologic ... inflammation (vasculitis ... 2 Texture: o Flat ... appears as flat ... infections. 5 Associated