12 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... Unstable hemoglobin disorders ... Cold autoimmune hemolytic ... #Morphology #differential ... hematology #microscopy #atlas
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... ) Morphology Atlas ... spherocytosis, Hemolytic ... #Morphology #Atlas ... key #diagnosis #differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... membrane disorder ... #Anemia #Differential ... Diagnosis #Algorithm #workup
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... lymphoproliferative disorders ... • Intrinsic RBC ... Extravascular #Causes #differential ... diagnosis #hematology #anemia
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... acute blood loss, hemolysis ... (BM) ablative disorders ... for degree of anemia ... Algorithm #Diagnosis #Workup
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... anemia • Cold ... Blood smear - RBC ... younger pts) Differential ... #anemia #hematology
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
(RBC = red blood ... Hemorrhage or hemolysis ... of the initial work-up ... Homocysteine #Algorithm #Workup ... #AAFP
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... changes), high MCV anemia ... #Differential # ... Diagnosis #Causes #Workup
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
result in severe anemia ... schistocytes, nucleated RBCs ... anemia Indirect ... count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... concentrations in: RBCs ... anemia, PNH, immune ... paralyses CNS Disorders ... Dehydrogenase #Elevated #differential