664 results
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Viral replication causes ... endothelial cells - Palpable ... or necrotic purpura ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Presentation: Systemic Symptoms ... sign of cutaneous ... • Progressive symptoms ... tract, and often causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Presentation - Systemic Symptoms ... scleritis • Palpable ... sign of cutaneous ... Skin -> causing palpable
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... Febrile/Toxic, Palpable ... Febrile/Toxic, Non-palpable ... Non-Toxic, Non-palpable ... Rash #Algorithm #Diagnosis
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential Diagnosis ... BrighamChiefs #Purpura ... #Causes #Differential ... #Diagnosis #vasculitis
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
the etiology of palpable ... Palpable (raised ... the lesions are palpable ... rash, the diagnosis ... patients with palpable
An Approach to the Unknown Rash: Petechial-Purpuric Rash 
#Diagnosis #Dermatology #Petechial #Purpura #Purpuric #Rash #Palpable #Algorithm
Rash: Petechial-Purpuric ... Rash #Diagnosis ... Dermatology #Petechial #Purpura ... #Purpuric #Rash ... #Palpable #Algorithm
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... - Differential Diagnosis ... #nonpalpable #palpable ... #Causes #Differential ... #Diagnosis #vasculitis
Palpable Purpura - Rash Algorithm
#Diagnosis #Dermatology #Rash #Palpable #Purpura #Differential #Algorithm
Palpable Purpura ... Rash Algorithm #Diagnosis ... Dermatology #Rash #Palpable ... #Purpura #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... OF NON-PALPABLE ... OF PALPABLE PURPURA ... #Differential #Diagnosis ... #rheumatology #palpable