36 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... methotrexate) • Drugs Autoimmune ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Hemoglobinopathies (e.g ... Membrane defects (e.g
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
Causes of Fat Malabsorption ... Cholestatic drugs- e.g ... Shwachman-Diamond syndrome ... • Short bowel syndrome ... Differential #Diagnosis #Causes
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... inflammatory disorders (e.g ... . autoimmune, TB ... Myelodysplastic syndrome ... #hematology #secondary
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Epidemiology: young ... Immunosuppression (e.g ... , Autoimmune diseases ... diseases (e.g., ... Malignancies (eg
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
Wolff–Parkinson–White syndrome ... WPW is caused by ... #Pathophysiology ... #Diagnosis #Cardiology ... #MedStudent #EKG
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... (e.g. oculomotor ... AQP4-lgG disease; e.g ... Myositis, Comorbid autoimmune ... neurology #symptoms #signs
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Hepatitis • HIV ... Autoimmune / Inflammatory ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
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 ... : • Pathophysiology ... unless worrisome EKG
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Sclerosis (MS) is an autoimmune-mediated ... • Or brainstem syndromes ... Radiographic findings (eg ... Laboratory findings (eg ... VEP’s: EEG of visual