20 results
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 ... unless worrisome EKG ... diagnosis #management #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... glucocorticoid treatment ... organ-specific signs ... or symptoms (eg ... Differential #diagnosis #hematology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Pathophysiology ... meningococcal, H1N1) Clinical ... Clinical Features ... Electrodiagnostic studies - EMG
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... dietary intake (e.g ... intrinsic factor, IF) Clinical ... organ ischemia (e.g ... other diagnosis e.g
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... systemic sx + signs ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... systemic complaints- anemia
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE) Clinical ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... Lumbar Puncture, EEG ... Treatment:
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... than one after symptom ... Electrodiagnostic studies (Ex EMG ... the underlying pathophysiology ... and cauda equina TREATMENT
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
and pernicious anemia ... Clinical Manifestations ... unit activity on EMG ... of diazepam • EMG ... EMG Studies:
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... Leukocytosis, anemia ... • Vasculitis (e.g ... #differential #causes
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Pathogenesis and clinical ... to produce all classes ... /Symptoms/Findings ... bacterial infections (e.g ... Agammaglobulinemia #XLinked #pathophysiology