24 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... When to Consider Vasculitis ... rapidly progressing GN ... tract, and often causes ... Presentation - Systemic Symptoms
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Myopathy (Also caused ... Erythematosus #SLE #MSK ... Complications #pathophysiology ... #signs #symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Rapidly progressing GN ... Presentation: Systemic Symptoms ... • Progressive symptoms ... • Pauci immune GN ... tract, and often causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Complement: Post-strep GN ... Glomerulonephritis #Vasculitis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... periumbilical region), nausea ... #HSP #IgA #Vasculitis ... HenochScholeinPurpura #Pathophysiology ... Diagnosis #Signs #Symptoms
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... spine Signs / Symptoms ... CaudaEquina #Syndrome #MSK ... #pathophysiology ... #diagnosis #symptoms
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Viral replication causes ... PolyarteritisNodosa #Pathophysiology ... Diagnosis #Signs #Symptoms ... #Vasculitis
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
musculoskeletal symptoms ... Psychiatric symptoms ... nonimmune hemolysis MSK ... , or any other cause ... Hypersensitivity vasculitis
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Pregnancy (AFLP) Pathophysiology ... postpartum): • Initial symptoms ... = nonspecific (nausea ... Tbili/Dbili/AP, ↑INR ... diagnosis #management #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... BRB breakdown causes ... #Retinopathy #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms