16 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... lymphoproliferative disorders ... • Intrinsic RBC ... #Causes #differential ... #diagnosis #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Blood Loss ... Decreased RBC ... Deficiency • Aplastic ... of Chronic Disease ... #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... RBC defects (e.g ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Normal Blood Smear ... Neutrophils - Low RBC ... Myelodysplastic Syndromes ... #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... RBC) Morphology ... coagulopathy (DIC) #RBC ... #differential # ... hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
decreased PLT count: CBC ... (CVID, WAS), (neurologic ... ), HBsAg/anti-HBc ... Diagnosis #Causes ... #Workup #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Diagnosis: • hemolytic ... smear - RBC agglutination ... #hemolytic #anemia ... #hematology #diagnosis
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia ... Pancytopenia: • ↓ RBC ... • ↓ WBC • ↓ ... anemia Treatment ... #hematology #diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hallmark for the disease ... of Peripheral blood ... from ischemia WBC ... count and differential ... #Workup #Hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Cerebrovascular Disease ... Erythematosus #SLE #CNS #neurology ... #rheumatology # ... #management #treatment