9 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
usually IgM) (e.g. primary ... lymphoproliferative disorders ... infection) - Drugs ... Extravascular #Causes #differential ... #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
/Quantity: • Primary ... anemia - Splenomegaly ... #Diagnosis #hematology ... #rheumatology # ... #dermatology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Diagnosis Secondary ... malignancies • Anemia ... iron deficiency, hemolysis ... Post-splenectomy Primary ... #hematology #secondary
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Primary (essential ... cryoglobulinemia Associated Disorders ... processes: • Systemic ... #diagnosis #rheumatology ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Secondary Cold ... Secondary Cold ... Diagnosis: • hemolytic ... anemiaCold ... #anemia #hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Discoloration • Medications ... #Secondary #dermatology ... #Differential # ... Diagnosis #Algorithm
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Unstable hemoglobin disorders ... , Oxidative drugs ... cold hemoglobinuria ... RBC #Morphology #differential ... #diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
family history - Medications ... changes), high MCV anemia ... unclear, or if a primary ... hematologic disorder ... #Workup #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... the context of primary ... lymphopenia, low PLT • Anemia ... activation and/or medications ... #Rheumatology