22 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell (RBC ... Morphology Microcytic RBC ... Target Cell RBC ... differential #diagnosis #hematology ... #microscopy #atlas
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... ) Morphology Atlas ... uremic syndrome ... coagulopathy (DIC) #RBC ... #differential #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): ... • Intrinsic RBC ... differential #diagnosis #hematology ... #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
2) External (RBC ... Drug-associated, PCH, Evans Syndrome ... 3) Internal (RBC ... Defects: Sickle cell anemia ... Differential #Diagnosis #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Neutrophils - Low RBC ... Myelodysplastic Syndromes ... Cells, Normal WBCs ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... disorders • Celiac disease ... effect following treatment ... Iron deficiency anemia ... #Hematology
Cold Agglutinin Disease

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

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

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

Activity of von Willebrand factor-cleaving protease activity - A
hallmark for the disease ... result in severe anemia ... anemia Indirect ... from ischemia WBC ... Diagnosis #Workup #Hematology
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Fever Hematologic disease ... caused by Bartonella ... anorexia, ARDS ​• RBC ... anemia, jaundice ... TREATMENT: ​• Acute