12 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Testing Algorithm ... (common causes ... organ-specific signs ... or symptoms (eg ... Differential #diagnosis #hematology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... Causes: 1) Exfoliative ... toxin 2) Eosinophils ... #Diagnosis #Dermatology ... #Differential #Ddxof
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
Pathyophysiology ... diabetes Key signs ... /symptoms of HHS ... Pathophys #EM #IM ... Endo #DKA #HHS #Ddxof
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Viral replication causes ... vascular endothelial cells ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Bullous Pemphigoid - Diagnosis and Management Summary
Pathophysiology: Autoantibody-mediated damage to epithelial basement membrane -> separation of
Management Summary Pathophysiology ... dermis Clinical Signs ... /Symptoms/Exam findings ... - Erosions and crusts ... feasible CMC IM
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... tract, and often causes ... Presentation - Systemic Symptoms ... purpura: strong sign ... differential #diagnosis #rheumatology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
various inflammatory cells ... periumbilical region), nausea ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs ... #Symptoms
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
hair follicles -> causes ... Livedo Reticularis, Vasculitis ... Manifestations #pathophysiology ... #diagnosis #signs ... #symptoms #complications
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... purpura: Strong sign ... • Progressive symptoms ... Polyangiitis): • Eosinophilia ... tract, and often causes
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... WBC >100k, + lab signs ... Lysis of tumor cells ... diagnosis #management #hematology