15 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Burr Cell RBC (Echinocyte ... Microangiopathic Hemolytic ... Bite Cell RBC: G6PD ... Unstable hemoglobin disorders ... hematology #microscopy #atlas
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology ... Atlas • Microcytic ... spherocytosis, Hemolytic ... Schistocytes - Hemolytic ... #Morphology #Atlas
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... ) (e.g. lupus, CLL ... lymphoproliferative disorders ... • Intrinsic RBC ... diagnosis #hematology #anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell ... membrane disorder ... #Anemia #Differential ... Diagnosis #Algorithm #workup
Anemia Diagnostic Algorithm

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

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoid malignancy (CLL ... • Symptoms of anemia ... anemia • Cold ... Blood smear - RBC ... malignancies -> CLL
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
(RBC = red blood ... serum level for all ... Hemorrhage or hemolysis ... of the initial work-up ... Homocysteine #Algorithm #Workup
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
concentrations in: RBCs ... Anemias: - Spherocytosis ... anemia, PNH, immune ... - Pernicious anemia ... paralyses CNS Disorders
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Thrombocytopenia and Platelet Disorders ... Diagnosis and Workup ... changes), high MCV anemia ... not required in all ... Diagnosis #Causes #Workup
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
incompetent • CLL ... Lymphocytosis on CBC ... lymphoproliferative disorders ... • Neutropenia, anemia ... Leukemia #diagnosis #workup