17 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... gastric bypass), LFT ... (liver disease) ... #Workup #hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic ... Probable bone marrow disorder ... - TSH, LFTs, ... Underproduction #Algorithm #hematology ... #diagnosis #differential
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
RA Rheumatic disorders ... of Liver & Lung ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential ... #diagnosis
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Diagnosis Algorithm ... Sequestration Disordered ... Iatrogenic) • Liver ... #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... deficiency • Liver ... #Diagnosis #hematology ... #rheumatology #
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... Diagnosis Algorithm ... • Small Bowel Disorder ... #Diagnosis #Algorithm ... #Causes #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Folate deficiency, Liver ... Unstable hemoglobin disorders ... hemoglobinuria, IgM ... RBC #Morphology #differential ... #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Warm" (usually IgG ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoproliferative disorder ... infection, autoimmune disorder ... younger pts) Differential ... IgM Includes Disorders ... hemolytic #anemia #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Immunodeficiency disorder ... late adulthood • Diagnosis ... disease • Liver ... conditions Diagnosis ... hypogammaglobulinemia #immunology #hematology