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

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Polyarteritis Nodosa (PAN ... multiplex #PAN ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... (Cold-induced symptoms ... Diagnosis: • hemolytic ... hemolytic #anemia #hematology ... #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... to exclude are infections ... Presentation - Systemic Symptoms ... purpura: strong sign ... #rheumatology #
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... , dyspnea, +/- CXR ... WBC >100k, + lab signs ... Syndrome #TLS #diagnosis ... #management #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Presentation: Systemic Symptoms ... purpura: Strong sign ... • Progressive symptoms ... #Rheumatology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... respiratory tract infections ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs ... #Symptoms
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
blood vessels (vasculitis ... pleural effusion on CXR ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms ... #diagnosis #ExtraArticular
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... common • Imaging: CXR ... : >3 symptoms, or ... : Infection (sepsis ... #management #hematology
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
failure with Reduced Ejection ... Typical symptoms ... Less Typical Symptoms ... of CXR congestion ... #management #cardiology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic inflammatory vasculitis ... systemic sx + signs ... = vasculitis vs ... them, but urgent rheumatology ... #Symptoms #Diagnosis