6 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
workup for specific symptoms ... drug reaction, infection ... organ-specific signs ... or symptoms (eg ... Differential #diagnosis #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Dehydration • Symptoms ... , dyspnea, +/- CXR ... WBC >100k, + lab signs ... unless worrisome EKG ... diagnosis #management #hematology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... them, but urgent rheumatology ... GCA #Temporal #Signs
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... disease, Vasculitis (e.g ... ., PAN) • Seizures ... Amyloidosis • Eosinophilic ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... • Malignancy (e.g ... Endocrine disorders (e.g ... Induced Lupus: • Symptoms ... Erythematosus #Diagnosis #Rheumatology
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 ... Differential #Diagnosis #Rheumatology